Home / 8,365,005.40-12,547,508.10-6,239,241.40

Finding the Fourth Proportional to 8,365,005.40, 12,547,508.10 and 6,239,241.40

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Solution

The fourth proportional to 8,365,005.40, 12,547,508.10 and 6,239,241.40 is: 9,358,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365,005.40 : 12,547,508.10 = 6,239,241.40 : x
  2. Step 2: Convert to fraction form
    8,365,005.40/12,547,508.10 = 6,239,241.40/x
  3. Step 3: Cross multiply
    8,365,005.40x = 12,547,508.10 × 6,239,241.40
  4. Step 4: Simplify right side
    8,365,005.40x = 78,286,932,004,355.34
  5. Step 5: Solve for x
    x = 78,286,932,004,355.34/8,365,005.40
  6. Step 6: Final answer
    x = 9,358,862.10

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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.