Home / 12,240,834.62-18,360,587.78-3,720,506.79

Finding the Fourth Proportional to 12,240,834.62, 18,360,587.78 and 3,720,506.79

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Solution

The fourth proportional to 12,240,834.62, 18,360,587.78 and 3,720,506.79 is: 5,580,558.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,834.62 : 18,360,587.78 = 3,720,506.79 : x
  2. Step 2: Convert to fraction form
    12,240,834.62/18,360,587.78 = 3,720,506.79/x
  3. Step 3: Cross multiply
    12,240,834.62x = 18,360,587.78 × 3,720,506.79
  4. Step 4: Simplify right side
    12,240,834.62x = 68,310,691,485,278.48
  5. Step 5: Solve for x
    x = 68,310,691,485,278.48/12,240,834.62
  6. Step 6: Final answer
    x = 5,580,558.32

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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.