Home / 10,404,806.10-15,607,209.15-7,381,497.30

Finding the Fourth Proportional to 10,404,806.10, 15,607,209.15 and 7,381,497.30

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Solution

The fourth proportional to 10,404,806.10, 15,607,209.15 and 7,381,497.30 is: 11,072,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,806.10 : 15,607,209.15 = 7,381,497.30 : x
  2. Step 2: Convert to fraction form
    10,404,806.10/15,607,209.15 = 7,381,497.30/x
  3. Step 3: Cross multiply
    10,404,806.10x = 15,607,209.15 × 7,381,497.30
  4. Step 4: Simplify right side
    10,404,806.10x = 115,204,572,201,260.30
  5. Step 5: Solve for x
    x = 115,204,572,201,260.30/10,404,806.10
  6. Step 6: Final answer
    x = 11,072,245.95

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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.