Home / 22,748,125.61-31,384,748.21-12,951,638.30

Finding the Fourth Proportional to 22,748,125.61, 31,384,748.21 and 12,951,638.30

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Solution

The fourth proportional to 22,748,125.61, 31,384,748.21 and 12,951,638.30 is: 17,868,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748,125.61 : 31,384,748.21 = 12,951,638.30 : x
  2. Step 2: Convert to fraction form
    22,748,125.61/31,384,748.21 = 12,951,638.30/x
  3. Step 3: Cross multiply
    22,748,125.61x = 31,384,748.21 × 12,951,638.30
  4. Step 4: Simplify right side
    22,748,125.61x = 406,483,906,730,810.50
  5. Step 5: Solve for x
    x = 406,483,906,730,810.50/22,748,125.61
  6. Step 6: Final answer
    x = 17,868,896.71

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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.