Home / 8,428,198.38-12,642,303.72-2,038,456.89

Finding the Fourth Proportional to 8,428,198.38, 12,642,303.72 and 2,038,456.89

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Solution

The fourth proportional to 8,428,198.38, 12,642,303.72 and 2,038,456.89 is: 3,057,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,198.38 : 12,642,303.72 = 2,038,456.89 : x
  2. Step 2: Convert to fraction form
    8,428,198.38/12,642,303.72 = 2,038,456.89/x
  3. Step 3: Cross multiply
    8,428,198.38x = 12,642,303.72 × 2,038,456.89
  4. Step 4: Simplify right side
    8,428,198.38x = 25,770,791,123,506.63
  5. Step 5: Solve for x
    x = 25,770,791,123,506.63/8,428,198.38
  6. Step 6: Final answer
    x = 3,057,686.82

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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.