Home / 40,553,516.60-55,963,613.38-21,969,010.93

Finding the Fourth Proportional to 40,553,516.60, 55,963,613.38 and 21,969,010.93

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Solution

The fourth proportional to 40,553,516.60, 55,963,613.38 and 21,969,010.93 is: 30,317,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553,516.60 : 55,963,613.38 = 21,969,010.93 : x
  2. Step 2: Convert to fraction form
    40,553,516.60/55,963,613.38 = 21,969,010.93/x
  3. Step 3: Cross multiply
    40,553,516.60x = 55,963,613.38 × 21,969,010.93
  4. Step 4: Simplify right side
    40,553,516.60x = 1,229,465,234,027,514.25
  5. Step 5: Solve for x
    x = 1,229,465,234,027,514.25/40,553,516.60
  6. Step 6: Final answer
    x = 30,317,105.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.