Home / 15,627,999.86-21,566,639.81-8,752,481.92

Finding the Fourth Proportional to 15,627,999.86, 21,566,639.81 and 8,752,481.92

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Solution

The fourth proportional to 15,627,999.86, 21,566,639.81 and 8,752,481.92 is: 12,078,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627,999.86 : 21,566,639.81 = 8,752,481.92 : x
  2. Step 2: Convert to fraction form
    15,627,999.86/21,566,639.81 = 8,752,481.92/x
  3. Step 3: Cross multiply
    15,627,999.86x = 21,566,639.81 × 8,752,481.92
  4. Step 4: Simplify right side
    15,627,999.86x = 188,761,625,044,212.62
  5. Step 5: Solve for x
    x = 188,761,625,044,212.62/15,627,999.86
  6. Step 6: Final answer
    x = 12,078,425.05

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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.