Home / 13,154,267.04-18,152,882.10-7,721,759.04

Finding the Fourth Proportional to 13,154,267.04, 18,152,882.10 and 7,721,759.04

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Solution

The fourth proportional to 13,154,267.04, 18,152,882.10 and 7,721,759.04 is: 10,656,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154,267.04 : 18,152,882.10 = 7,721,759.04 : x
  2. Step 2: Convert to fraction form
    13,154,267.04/18,152,882.10 = 7,721,759.04/x
  3. Step 3: Cross multiply
    13,154,267.04x = 18,152,882.10 × 7,721,759.04
  4. Step 4: Simplify right side
    13,154,267.04x = 140,172,181,457,729.20
  5. Step 5: Solve for x
    x = 140,172,181,457,729.20/13,154,267.04
  6. Step 6: Final answer
    x = 10,656,023.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.