Home / 15,042,484.32-20,758,627.92-8,166,966.96

Finding the Fourth Proportional to 15,042,484.32, 20,758,627.92 and 8,166,966.96

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Solution

The fourth proportional to 15,042,484.32, 20,758,627.92 and 8,166,966.96 is: 11,270,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042,484.32 : 20,758,627.92 = 8,166,966.96 : x
  2. Step 2: Convert to fraction form
    15,042,484.32/20,758,627.92 = 8,166,966.96/x
  3. Step 3: Cross multiply
    15,042,484.32x = 20,758,627.92 × 8,166,966.96
  4. Step 4: Simplify right side
    15,042,484.32x = 169,535,028,357,573.53
  5. Step 5: Solve for x
    x = 169,535,028,357,573.53/15,042,484.32
  6. Step 6: Final answer
    x = 11,270,414.17

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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.