Home / 8,365,059.40-12,547,589.10-6,239,295.40

Finding the Fourth Proportional to 8,365,059.40, 12,547,589.10 and 6,239,295.40

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Solution

The fourth proportional to 8,365,059.40, 12,547,589.10 and 6,239,295.40 is: 9,358,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,059.40 : 12,547,589.10 = 6,239,295.40 : x
  2. Step 2: Convert to fraction form
    8,365,059.40/12,547,589.10 = 6,239,295.40/x
  3. Step 3: Cross multiply
    8,365,059.40x = 12,547,589.10 × 6,239,295.40
  4. Step 4: Simplify right side
    8,365,059.40x = 78,288,114,952,720.14
  5. Step 5: Solve for x
    x = 78,288,114,952,720.14/8,365,059.40
  6. Step 6: Final answer
    x = 9,358,943.10

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Half scale
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Double scale
Find fourth proportional to 8,365,060.40, 12,547,590.60 and 6,239,296.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.