Home / 21,652,631.46-29,876,833.26-12,355,956.90

Finding the Fourth Proportional to 21,652,631.46, 29,876,833.26 and 12,355,956.90

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Solution

The fourth proportional to 21,652,631.46, 29,876,833.26 and 12,355,956.90 is: 17,049,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,631.46 : 29,876,833.26 = 12,355,956.90 : x
  2. Step 2: Convert to fraction form
    21,652,631.46/29,876,833.26 = 12,355,956.90/x
  3. Step 3: Cross multiply
    21,652,631.46x = 29,876,833.26 × 12,355,956.90
  4. Step 4: Simplify right side
    21,652,631.46x = 369,156,864,069,046.50
  5. Step 5: Solve for x
    x = 369,156,864,069,046.50/21,652,631.46
  6. Step 6: Final answer
    x = 17,049,053.13

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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.