Home / 18,411,920.41-27,616,879.55-5,632,425.11

Finding the Fourth Proportional to 18,411,920.41, 27,616,879.55 and 5,632,425.11

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Solution

The fourth proportional to 18,411,920.41, 27,616,879.55 and 5,632,425.11 is: 8,448,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411,920.41 : 27,616,879.55 = 5,632,425.11 : x
  2. Step 2: Convert to fraction form
    18,411,920.41/27,616,879.55 = 5,632,425.11/x
  3. Step 3: Cross multiply
    18,411,920.41x = 27,616,879.55 × 5,632,425.11
  4. Step 4: Simplify right side
    18,411,920.41x = 155,550,005,837,265.50
  5. Step 5: Solve for x
    x = 155,550,005,837,265.50/18,411,920.41
  6. Step 6: Final answer
    x = 8,448,331.43

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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.