Home / 12,240,555.79-18,360,169.39-3,720,227.96

Finding the Fourth Proportional to 12,240,555.79, 18,360,169.39 and 3,720,227.96

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Solution

The fourth proportional to 12,240,555.79, 18,360,169.39 and 3,720,227.96 is: 5,580,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,555.79 : 18,360,169.39 = 3,720,227.96 : x
  2. Step 2: Convert to fraction form
    12,240,555.79/18,360,169.39 = 3,720,227.96/x
  3. Step 3: Cross multiply
    12,240,555.79x = 18,360,169.39 × 3,720,227.96
  4. Step 4: Simplify right side
    12,240,555.79x = 68,304,015,481,395.53
  5. Step 5: Solve for x
    x = 68,304,015,481,395.53/12,240,555.79
  6. Step 6: Final answer
    x = 5,580,140.04

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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.