Home / 15,098,734.59-20,838,129.53-8,574,459.78

Finding the Fourth Proportional to 15,098,734.59, 20,838,129.53 and 8,574,459.78

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Solution

The fourth proportional to 15,098,734.59, 20,838,129.53 and 8,574,459.78 is: 11,833,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,098,734.59 : 20,838,129.53 = 8,574,459.78 : x
  2. Step 2: Convert to fraction form
    15,098,734.59/20,838,129.53 = 8,574,459.78/x
  3. Step 3: Cross multiply
    15,098,734.59x = 20,838,129.53 × 8,574,459.78
  4. Step 4: Simplify right side
    15,098,734.59x = 178,675,703,502,542.97
  5. Step 5: Solve for x
    x = 178,675,703,502,542.97/15,098,734.59
  6. Step 6: Final answer
    x = 11,833,819.74

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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.