Home / 47,872,967.90-71,819,540.40-15,522,348.20

Finding the Fourth Proportional to 47,872,967.90, 71,819,540.40 and 15,522,348.20

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Solution

The fourth proportional to 47,872,967.90, 71,819,540.40 and 15,522,348.20 is: 23,286,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,967.90 : 71,819,540.40 = 15,522,348.20 : x
  2. Step 2: Convert to fraction form
    47,872,967.90/71,819,540.40 = 15,522,348.20/x
  3. Step 3: Cross multiply
    47,872,967.90x = 71,819,540.40 × 15,522,348.20
  4. Step 4: Simplify right side
    47,872,967.90x = 1,114,807,913,652,767.38
  5. Step 5: Solve for x
    x = 1,114,807,913,652,767.38/47,872,967.90
  6. Step 6: Final answer
    x = 23,286,793.42

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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.