Home / 8,581,644-12,872,266.56-4,320,668.16

Finding the Fourth Proportional to 8,581,644, 12,872,266.56 and 4,320,668.16

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Solution

The fourth proportional to 8,581,644, 12,872,266.56 and 4,320,668.16 is: 6,480,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,644 : 12,872,266.56 = 4,320,668.16 : x
  2. Step 2: Convert to fraction form
    8,581,644/12,872,266.56 = 4,320,668.16/x
  3. Step 3: Cross multiply
    8,581,644x = 12,872,266.56 × 4,320,668.16
  4. Step 4: Simplify right side
    8,581,644x = 55,616,792,272,824.73
  5. Step 5: Solve for x
    x = 55,616,792,272,824.73/8,581,644
  6. Step 6: Final answer
    x = 6,480,901.83

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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.