Home / 13,719,444.86-20,581,049.45-7,964,879.90

Finding the Fourth Proportional to 13,719,444.86, 20,581,049.45 and 7,964,879.90

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Solution

The fourth proportional to 13,719,444.86, 20,581,049.45 and 7,964,879.90 is: 11,948,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,444.86 : 20,581,049.45 = 7,964,879.90 : x
  2. Step 2: Convert to fraction form
    13,719,444.86/20,581,049.45 = 7,964,879.90/x
  3. Step 3: Cross multiply
    13,719,444.86x = 20,581,049.45 × 7,964,879.90
  4. Step 4: Simplify right side
    13,719,444.86x = 163,925,586,942,481.41
  5. Step 5: Solve for x
    x = 163,925,586,942,481.41/13,719,444.86
  6. Step 6: Final answer
    x = 11,948,412.54

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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.