Home / 47,872,899.90-71,819,438.40-15,522,280.20

Finding the Fourth Proportional to 47,872,899.90, 71,819,438.40 and 15,522,280.20

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Solution

The fourth proportional to 47,872,899.90, 71,819,438.40 and 15,522,280.20 is: 23,286,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,899.90 : 71,819,438.40 = 15,522,280.20 : x
  2. Step 2: Convert to fraction form
    47,872,899.90/71,819,438.40 = 15,522,280.20/x
  3. Step 3: Cross multiply
    47,872,899.90x = 71,819,438.40 × 15,522,280.20
  4. Step 4: Simplify right side
    47,872,899.90x = 1,114,801,446,651,439.75
  5. Step 5: Solve for x
    x = 1,114,801,446,651,439.75/47,872,899.90
  6. Step 6: Final answer
    x = 23,286,691.41

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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.