Home / 18,358,935.80-27,542,550.90-10,782,001.40

Finding the Fourth Proportional to 18,358,935.80, 27,542,550.90 and 10,782,001.40

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Solution

The fourth proportional to 18,358,935.80, 27,542,550.90 and 10,782,001.40 is: 16,175,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358,935.80 : 27,542,550.90 = 10,782,001.40 : x
  2. Step 2: Convert to fraction form
    18,358,935.80/27,542,550.90 = 10,782,001.40/x
  3. Step 3: Cross multiply
    18,358,935.80x = 27,542,550.90 × 10,782,001.40
  4. Step 4: Simplify right side
    18,358,935.80x = 296,963,822,363,371.25
  5. Step 5: Solve for x
    x = 296,963,822,363,371.25/18,358,935.80
  6. Step 6: Final answer
    x = 16,175,437.71

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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.