Home / 38,135,731.60-57,195,527.22-12,570,663.88

Finding the Fourth Proportional to 38,135,731.60, 57,195,527.22 and 12,570,663.88

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Solution

The fourth proportional to 38,135,731.60, 57,195,527.22 and 12,570,663.88 is: 18,853,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,731.60 : 57,195,527.22 = 12,570,663.88 : x
  2. Step 2: Convert to fraction form
    38,135,731.60/57,195,527.22 = 12,570,663.88/x
  3. Step 3: Cross multiply
    38,135,731.60x = 57,195,527.22 × 12,570,663.88
  4. Step 4: Simplify right side
    38,135,731.60x = 718,985,748,122,010.88
  5. Step 5: Solve for x
    x = 718,985,748,122,010.88/38,135,731.60
  6. Step 6: Final answer
    x = 18,853,335.65

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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.