Home / 13,497,242.67-20,247,963.53-4,397,221.78

Finding the Fourth Proportional to 13,497,242.67, 20,247,963.53 and 4,397,221.78

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Solution

The fourth proportional to 13,497,242.67, 20,247,963.53 and 4,397,221.78 is: 6,596,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497,242.67 : 20,247,963.53 = 4,397,221.78 : x
  2. Step 2: Convert to fraction form
    13,497,242.67/20,247,963.53 = 4,397,221.78/x
  3. Step 3: Cross multiply
    13,497,242.67x = 20,247,963.53 × 4,397,221.78
  4. Step 4: Simplify right side
    13,497,242.67x = 89,034,786,162,155.66
  5. Step 5: Solve for x
    x = 89,034,786,162,155.66/13,497,242.67
  6. Step 6: Final answer
    x = 6,596,516.66

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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.