Home / 12,332,356.80-18,497,613.60-5,142,033.60

Finding the Fourth Proportional to 12,332,356.80, 18,497,613.60 and 5,142,033.60

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Solution

The fourth proportional to 12,332,356.80, 18,497,613.60 and 5,142,033.60 is: 7,712,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332,356.80 : 18,497,613.60 = 5,142,033.60 : x
  2. Step 2: Convert to fraction form
    12,332,356.80/18,497,613.60 = 5,142,033.60/x
  3. Step 3: Cross multiply
    12,332,356.80x = 18,497,613.60 × 5,142,033.60
  4. Step 4: Simplify right side
    12,332,356.80x = 95,115,350,651,016.95
  5. Step 5: Solve for x
    x = 95,115,350,651,016.95/12,332,356.80
  6. Step 6: Final answer
    x = 7,712,666.13

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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.