Home / 21,447,397.08-29,597,618.28-11,657,835.20

Finding the Fourth Proportional to 21,447,397.08, 29,597,618.28 and 11,657,835.20

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Solution

The fourth proportional to 21,447,397.08, 29,597,618.28 and 11,657,835.20 is: 16,087,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,397.08 : 29,597,618.28 = 11,657,835.20 : x
  2. Step 2: Convert to fraction form
    21,447,397.08/29,597,618.28 = 11,657,835.20/x
  3. Step 3: Cross multiply
    21,447,397.08x = 29,597,618.28 × 11,657,835.20
  4. Step 4: Simplify right side
    21,447,397.08x = 345,044,156,220,747.44
  5. Step 5: Solve for x
    x = 345,044,156,220,747.44/21,447,397.08
  6. Step 6: Final answer
    x = 16,087,926.89

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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.