Home / 38,499,079.60-57,748,619.40-12,931,591.60

Finding the Fourth Proportional to 38,499,079.60, 57,748,619.40 and 12,931,591.60

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Solution

The fourth proportional to 38,499,079.60, 57,748,619.40 and 12,931,591.60 is: 19,397,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499,079.60 : 57,748,619.40 = 12,931,591.60 : x
  2. Step 2: Convert to fraction form
    38,499,079.60/57,748,619.40 = 12,931,591.60/x
  3. Step 3: Cross multiply
    38,499,079.60x = 57,748,619.40 × 12,931,591.60
  4. Step 4: Simplify right side
    38,499,079.60x = 746,781,561,544,637
  5. Step 5: Solve for x
    x = 746,781,561,544,637/38,499,079.60
  6. Step 6: Final answer
    x = 19,397,387.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.