Home / 14,489,356.92-19,995,791.94-7,963,217.70

Finding the Fourth Proportional to 14,489,356.92, 19,995,791.94 and 7,963,217.70

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Solution

The fourth proportional to 14,489,356.92, 19,995,791.94 and 7,963,217.70 is: 10,989,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,356.92 : 19,995,791.94 = 7,963,217.70 : x
  2. Step 2: Convert to fraction form
    14,489,356.92/19,995,791.94 = 7,963,217.70/x
  3. Step 3: Cross multiply
    14,489,356.92x = 19,995,791.94 × 7,963,217.70
  4. Step 4: Simplify right side
    14,489,356.92x = 159,230,844,302,125.34
  5. Step 5: Solve for x
    x = 159,230,844,302,125.34/14,489,356.92
  6. Step 6: Final answer
    x = 10,989,503.89

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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.