Home / 20,620,550.13-30,934,808.27-7,840,061.11

Finding the Fourth Proportional to 20,620,550.13, 30,934,808.27 and 7,840,061.11

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Solution

The fourth proportional to 20,620,550.13, 30,934,808.27 and 7,840,061.11 is: 11,761,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620,550.13 : 30,934,808.27 = 7,840,061.11 : x
  2. Step 2: Convert to fraction form
    20,620,550.13/30,934,808.27 = 7,840,061.11/x
  3. Step 3: Cross multiply
    20,620,550.13x = 30,934,808.27 × 7,840,061.11
  4. Step 4: Simplify right side
    20,620,550.13x = 242,530,787,359,338.72
  5. Step 5: Solve for x
    x = 242,530,787,359,338.72/20,620,550.13
  6. Step 6: Final answer
    x = 11,761,606.06

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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.