Home / 13,719,446.20-20,581,051.49-7,964,881.25

Finding the Fourth Proportional to 13,719,446.20, 20,581,051.49 and 7,964,881.25

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Solution

The fourth proportional to 13,719,446.20, 20,581,051.49 and 7,964,881.25 is: 11,948,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,446.20 : 20,581,051.49 = 7,964,881.25 : x
  2. Step 2: Convert to fraction form
    13,719,446.20/20,581,051.49 = 7,964,881.25/x
  3. Step 3: Cross multiply
    13,719,446.20x = 20,581,051.49 × 7,964,881.25
  4. Step 4: Simplify right side
    13,719,446.20x = 163,925,631,120,892.62
  5. Step 5: Solve for x
    x = 163,925,631,120,892.62/13,719,446.20
  6. Step 6: Final answer
    x = 11,948,414.59

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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.