Home / 8,670,310.87-13,007,291.24-3,278,840.71

Finding the Fourth Proportional to 8,670,310.87, 13,007,291.24 and 3,278,840.71

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Solution

The fourth proportional to 8,670,310.87, 13,007,291.24 and 3,278,840.71 is: 4,918,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670,310.87 : 13,007,291.24 = 3,278,840.71 : x
  2. Step 2: Convert to fraction form
    8,670,310.87/13,007,291.24 = 3,278,840.71/x
  3. Step 3: Cross multiply
    8,670,310.87x = 13,007,291.24 × 3,278,840.71
  4. Step 4: Simplify right side
    8,670,310.87x = 42,648,836,044,538.38
  5. Step 5: Solve for x
    x = 42,648,836,044,538.38/8,670,310.87
  6. Step 6: Final answer
    x = 4,918,951.20

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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.