Home / 10,387,834.10-15,581,751.15-6,561,458.90

Finding the Fourth Proportional to 10,387,834.10, 15,581,751.15 and 6,561,458.90

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Solution

The fourth proportional to 10,387,834.10, 15,581,751.15 and 6,561,458.90 is: 9,842,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387,834.10 : 15,581,751.15 = 6,561,458.90 : x
  2. Step 2: Convert to fraction form
    10,387,834.10/15,581,751.15 = 6,561,458.90/x
  3. Step 3: Cross multiply
    10,387,834.10x = 15,581,751.15 × 6,561,458.90
  4. Step 4: Simplify right side
    10,387,834.10x = 102,239,019,760,752.75
  5. Step 5: Solve for x
    x = 102,239,019,760,752.75/10,387,834.10
  6. Step 6: Final answer
    x = 9,842,188.35

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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.