Home / 47,872,933.90-71,819,489.40-15,522,314.20

Finding the Fourth Proportional to 47,872,933.90, 71,819,489.40 and 15,522,314.20

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Solution

The fourth proportional to 47,872,933.90, 71,819,489.40 and 15,522,314.20 is: 23,286,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,933.90 : 71,819,489.40 = 15,522,314.20 : x
  2. Step 2: Convert to fraction form
    47,872,933.90/71,819,489.40 = 15,522,314.20/x
  3. Step 3: Cross multiply
    47,872,933.90x = 71,819,489.40 × 15,522,314.20
  4. Step 4: Simplify right side
    47,872,933.90x = 1,114,804,680,150,369.50
  5. Step 5: Solve for x
    x = 1,114,804,680,150,369.50/47,872,933.90
  6. Step 6: Final answer
    x = 23,286,742.41

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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.