Home / 42,587,938.60-63,929,147.10-26,432,132.20

Finding the Fourth Proportional to 42,587,938.60, 63,929,147.10 and 26,432,132.20

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Solution

The fourth proportional to 42,587,938.60, 63,929,147.10 and 26,432,132.20 is: 39,677,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587,938.60 : 63,929,147.10 = 26,432,132.20 : x
  2. Step 2: Convert to fraction form
    42,587,938.60/63,929,147.10 = 26,432,132.20/x
  3. Step 3: Cross multiply
    42,587,938.60x = 63,929,147.10 × 26,432,132.20
  4. Step 4: Simplify right side
    42,587,938.60x = 1,689,783,667,580,446.50
  5. Step 5: Solve for x
    x = 1,689,783,667,580,446.50/42,587,938.60
  6. Step 6: Final answer
    x = 39,677,517.23

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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.