Home / 12,287,839.94-16,963,593.86-8,976,415.85

Finding the Fourth Proportional to 12,287,839.94, 16,963,593.86 and 8,976,415.85

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Solution

The fourth proportional to 12,287,839.94, 16,963,593.86 and 8,976,415.85 is: 12,392,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,287,839.94 : 16,963,593.86 = 8,976,415.85 : x
  2. Step 2: Convert to fraction form
    12,287,839.94/16,963,593.86 = 8,976,415.85/x
  3. Step 3: Cross multiply
    12,287,839.94x = 16,963,593.86 × 8,976,415.85
  4. Step 4: Simplify right side
    12,287,839.94x = 152,272,272,668,166.66
  5. Step 5: Solve for x
    x = 152,272,272,668,166.66/12,287,839.94
  6. Step 6: Final answer
    x = 12,392,110.69

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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.