Home / 8,586,059.90-12,879,089.85-6,206,603.90

Finding the Fourth Proportional to 8,586,059.90, 12,879,089.85 and 6,206,603.90

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Solution

The fourth proportional to 8,586,059.90, 12,879,089.85 and 6,206,603.90 is: 9,309,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,059.90 : 12,879,089.85 = 6,206,603.90 : x
  2. Step 2: Convert to fraction form
    8,586,059.90/12,879,089.85 = 6,206,603.90/x
  3. Step 3: Cross multiply
    8,586,059.90x = 12,879,089.85 × 6,206,603.90
  4. Step 4: Simplify right side
    8,586,059.90x = 79,935,409,291,460.42
  5. Step 5: Solve for x
    x = 79,935,409,291,460.42/8,586,059.90
  6. Step 6: Final answer
    x = 9,309,905.85

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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.