Home / 12,240,697.59-18,360,381.92-3,720,369.75

Finding the Fourth Proportional to 12,240,697.59, 18,360,381.92 and 3,720,369.75

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Solution

The fourth proportional to 12,240,697.59, 18,360,381.92 and 3,720,369.75 is: 5,580,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,697.59 : 18,360,381.92 = 3,720,369.75 : x
  2. Step 2: Convert to fraction form
    12,240,697.59/18,360,381.92 = 3,720,369.75/x
  3. Step 3: Cross multiply
    12,240,697.59x = 18,360,381.92 × 3,720,369.75
  4. Step 4: Simplify right side
    12,240,697.59x = 68,307,409,550,957.12
  5. Step 5: Solve for x
    x = 68,307,409,550,957.12/12,240,697.59
  6. Step 6: Final answer
    x = 5,580,352.68

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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.