Home / 18,289,425.20-25,227,839.07-11,751,815.16

Finding the Fourth Proportional to 18,289,425.20, 25,227,839.07 and 11,751,815.16

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Solution

The fourth proportional to 18,289,425.20, 25,227,839.07 and 11,751,815.16 is: 16,210,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289,425.20 : 25,227,839.07 = 11,751,815.16 : x
  2. Step 2: Convert to fraction form
    18,289,425.20/25,227,839.07 = 11,751,815.16/x
  3. Step 3: Cross multiply
    18,289,425.20x = 25,227,839.07 × 11,751,815.16
  4. Step 4: Simplify right side
    18,289,425.20x = 296,472,901,636,866.31
  5. Step 5: Solve for x
    x = 296,472,901,636,866.31/18,289,425.20
  6. Step 6: Final answer
    x = 16,210,072.13

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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.