Home / 10,472,620.10-15,708,930.15-9,716,792.90

Finding the Fourth Proportional to 10,472,620.10, 15,708,930.15 and 9,716,792.90

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Solution

The fourth proportional to 10,472,620.10, 15,708,930.15 and 9,716,792.90 is: 14,575,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472,620.10 : 15,708,930.15 = 9,716,792.90 : x
  2. Step 2: Convert to fraction form
    10,472,620.10/15,708,930.15 = 9,716,792.90/x
  3. Step 3: Cross multiply
    10,472,620.10x = 15,708,930.15 × 9,716,792.90
  4. Step 4: Simplify right side
    10,472,620.10x = 152,640,420,948,115.94
  5. Step 5: Solve for x
    x = 152,640,420,948,115.94/10,472,620.10
  6. Step 6: Final answer
    x = 14,575,189.35

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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.