Home / 21,730,204.40-29,985,926.76-12,563,438

Finding the Fourth Proportional to 21,730,204.40, 29,985,926.76 and 12,563,438

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Solution

The fourth proportional to 21,730,204.40, 29,985,926.76 and 12,563,438 is: 17,336,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,204.40 : 29,985,926.76 = 12,563,438 : x
  2. Step 2: Convert to fraction form
    21,730,204.40/29,985,926.76 = 12,563,438/x
  3. Step 3: Cross multiply
    21,730,204.40x = 29,985,926.76 × 12,563,438
  4. Step 4: Simplify right side
    21,730,204.40x = 376,726,331,721,800.88
  5. Step 5: Solve for x
    x = 376,726,331,721,800.88/21,730,204.40
  6. Step 6: Final answer
    x = 17,336,529.60

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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.