Home / 12,360,998.40-18,543,247.20-3,840,446.40

Finding the Fourth Proportional to 12,360,998.40, 18,543,247.20 and 3,840,446.40

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Solution

The fourth proportional to 12,360,998.40, 18,543,247.20 and 3,840,446.40 is: 5,761,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,998.40 : 18,543,247.20 = 3,840,446.40 : x
  2. Step 2: Convert to fraction form
    12,360,998.40/18,543,247.20 = 3,840,446.40/x
  3. Step 3: Cross multiply
    12,360,998.40x = 18,543,247.20 × 3,840,446.40
  4. Step 4: Simplify right side
    12,360,998.40x = 71,214,346,953,550.08
  5. Step 5: Solve for x
    x = 71,214,346,953,550.08/12,360,998.40
  6. Step 6: Final answer
    x = 5,761,213.18

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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.