Home / 10,129,338.32-13,977,956.04-5,544,781.52

Finding the Fourth Proportional to 10,129,338.32, 13,977,956.04 and 5,544,781.52

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Solution

The fourth proportional to 10,129,338.32, 13,977,956.04 and 5,544,781.52 is: 7,651,507.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,338.32 : 13,977,956.04 = 5,544,781.52 : x
  2. Step 2: Convert to fraction form
    10,129,338.32/13,977,956.04 = 5,544,781.52/x
  3. Step 3: Cross multiply
    10,129,338.32x = 13,977,956.04 × 5,544,781.52
  4. Step 4: Simplify right side
    10,129,338.32x = 77,504,712,337,964.38
  5. Step 5: Solve for x
    x = 77,504,712,337,964.38/10,129,338.32
  6. Step 6: Final answer
    x = 7,651,507.92

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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.