Home / 47,872,741.87-71,819,201.10-15,522,121.80

Finding the Fourth Proportional to 47,872,741.87, 71,819,201.10 and 15,522,121.80

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Solution

The fourth proportional to 47,872,741.87, 71,819,201.10 and 15,522,121.80 is: 23,286,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,741.87 : 71,819,201.10 = 15,522,121.80 : x
  2. Step 2: Convert to fraction form
    47,872,741.87/71,819,201.10 = 15,522,121.80/x
  3. Step 3: Cross multiply
    47,872,741.87x = 71,819,201.10 × 15,522,121.80
  4. Step 4: Simplify right side
    47,872,741.87x = 1,114,786,387,111,102.12
  5. Step 5: Solve for x
    x = 1,114,786,387,111,102.12/47,872,741.87
  6. Step 6: Final answer
    x = 23,286,453.70

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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.