Home / 12,654,929.32-18,983,377.80-4,136,126.92

Finding the Fourth Proportional to 12,654,929.32, 18,983,377.80 and 4,136,126.92

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Solution

The fourth proportional to 12,654,929.32, 18,983,377.80 and 4,136,126.92 is: 6,204,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,929.32 : 18,983,377.80 = 4,136,126.92 : x
  2. Step 2: Convert to fraction form
    12,654,929.32/18,983,377.80 = 4,136,126.92/x
  3. Step 3: Cross multiply
    12,654,929.32x = 18,983,377.80 × 4,136,126.92
  4. Step 4: Simplify right side
    12,654,929.32x = 78,517,659,951,110.38
  5. Step 5: Solve for x
    x = 78,517,659,951,110.38/12,654,929.32
  6. Step 6: Final answer
    x = 6,204,511.93

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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.