Home / 13,719,449.86-20,581,056.94-7,964,884.90

Finding the Fourth Proportional to 13,719,449.86, 20,581,056.94 and 7,964,884.90

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Solution

The fourth proportional to 13,719,449.86, 20,581,056.94 and 7,964,884.90 is: 11,948,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,449.86 : 20,581,056.94 = 7,964,884.90 : x
  2. Step 2: Convert to fraction form
    13,719,449.86/20,581,056.94 = 7,964,884.90/x
  3. Step 3: Cross multiply
    13,719,449.86x = 20,581,056.94 × 7,964,884.90
  4. Step 4: Simplify right side
    13,719,449.86x = 163,925,749,647,446.22
  5. Step 5: Solve for x
    x = 163,925,749,647,446.22/13,719,449.86
  6. Step 6: Final answer
    x = 11,948,420.04

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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.