Home / 18,180,830.61-27,275,576.13-6,821,377.65

Finding the Fourth Proportional to 18,180,830.61, 27,275,576.13 and 6,821,377.65

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Solution

The fourth proportional to 18,180,830.61, 27,275,576.13 and 6,821,377.65 is: 10,233,691.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,830.61 : 27,275,576.13 = 6,821,377.65 : x
  2. Step 2: Convert to fraction form
    18,180,830.61/27,275,576.13 = 6,821,377.65/x
  3. Step 3: Cross multiply
    18,180,830.61x = 27,275,576.13 × 6,821,377.65
  4. Step 4: Simplify right side
    18,180,830.61x = 186,057,005,404,055.50
  5. Step 5: Solve for x
    x = 186,057,005,404,055.50/18,180,830.61
  6. Step 6: Final answer
    x = 10,233,691.15

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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.