Home / 42,445,115.10-63,667,672.65-13,692,188.70

Finding the Fourth Proportional to 42,445,115.10, 63,667,672.65 and 13,692,188.70

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Solution

The fourth proportional to 42,445,115.10, 63,667,672.65 and 13,692,188.70 is: 20,538,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445,115.10 : 63,667,672.65 = 13,692,188.70 : x
  2. Step 2: Convert to fraction form
    42,445,115.10/63,667,672.65 = 13,692,188.70/x
  3. Step 3: Cross multiply
    42,445,115.10x = 63,667,672.65 × 13,692,188.70
  4. Step 4: Simplify right side
    42,445,115.10x = 871,749,788,013,629
  5. Step 5: Solve for x
    x = 871,749,788,013,629/42,445,115.10
  6. Step 6: Final answer
    x = 20,538,283.05

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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.