Home / 42,632,458.60-63,934,691.10-15,702,615.40

Finding the Fourth Proportional to 42,632,458.60, 63,934,691.10 and 15,702,615.40

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Solution

The fourth proportional to 42,632,458.60, 63,934,691.10 and 15,702,615.40 is: 23,548,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,632,458.60 : 63,934,691.10 = 15,702,615.40 : x
  2. Step 2: Convert to fraction form
    42,632,458.60/63,934,691.10 = 15,702,615.40/x
  3. Step 3: Cross multiply
    42,632,458.60x = 63,934,691.10 × 15,702,615.40
  4. Step 4: Simplify right side
    42,632,458.60x = 1,003,941,865,061,103
  5. Step 5: Solve for x
    x = 1,003,941,865,061,103/42,632,458.60
  6. Step 6: Final answer
    x = 23,548,767.72

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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.