Home / 47,872,748.82-71,819,211.51-15,522,128.75

Finding the Fourth Proportional to 47,872,748.82, 71,819,211.51 and 15,522,128.75

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Solution

The fourth proportional to 47,872,748.82, 71,819,211.51 and 15,522,128.75 is: 23,286,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872,748.82 : 71,819,211.51 = 15,522,128.75 : x
  2. Step 2: Convert to fraction form
    47,872,748.82/71,819,211.51 = 15,522,128.75/x
  3. Step 3: Cross multiply
    47,872,748.82x = 71,819,211.51 × 15,522,128.75
  4. Step 4: Simplify right side
    47,872,748.82x = 1,114,787,047,422,605.88
  5. Step 5: Solve for x
    x = 1,114,787,047,422,605.88/47,872,748.82
  6. Step 6: Final answer
    x = 23,286,464.11

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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.