Home / 47,872,742.87-71,819,202.60-15,522,122.80

Finding the Fourth Proportional to 47,872,742.87, 71,819,202.60 and 15,522,122.80

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Solution

The fourth proportional to 47,872,742.87, 71,819,202.60 and 15,522,122.80 is: 23,286,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,742.87 : 71,819,202.60 = 15,522,122.80 : x
  2. Step 2: Convert to fraction form
    47,872,742.87/71,819,202.60 = 15,522,122.80/x
  3. Step 3: Cross multiply
    47,872,742.87x = 71,819,202.60 × 15,522,122.80
  4. Step 4: Simplify right side
    47,872,742.87x = 1,114,786,482,155,279.25
  5. Step 5: Solve for x
    x = 1,114,786,482,155,279.25/47,872,742.87
  6. Step 6: Final answer
    x = 23,286,455.20

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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.