Home / 8,145,788.19-12,218,522.51-3,287,965.47

Finding the Fourth Proportional to 8,145,788.19, 12,218,522.51 and 3,287,965.47

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Solution

The fourth proportional to 8,145,788.19, 12,218,522.51 and 3,287,965.47 is: 4,931,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145,788.19 : 12,218,522.51 = 3,287,965.47 : x
  2. Step 2: Convert to fraction form
    8,145,788.19/12,218,522.51 = 3,287,965.47/x
  3. Step 3: Cross multiply
    8,145,788.19x = 12,218,522.51 × 3,287,965.47
  4. Step 4: Simplify right side
    8,145,788.19x = 40,174,080,115,517.64
  5. Step 5: Solve for x
    x = 40,174,080,115,517.64/8,145,788.19
  6. Step 6: Final answer
    x = 4,931,883.71

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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.