Home / 8,374,839.91-12,555,395.42-2,980,418.51

Finding the Fourth Proportional to 8,374,839.91, 12,555,395.42 and 2,980,418.51

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Solution

The fourth proportional to 8,374,839.91, 12,555,395.42 and 2,980,418.51 is: 4,468,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,839.91 : 12,555,395.42 = 2,980,418.51 : x
  2. Step 2: Convert to fraction form
    8,374,839.91/12,555,395.42 = 2,980,418.51/x
  3. Step 3: Cross multiply
    8,374,839.91x = 12,555,395.42 × 2,980,418.51
  4. Step 4: Simplify right side
    8,374,839.91x = 37,420,332,926,623.62
  5. Step 5: Solve for x
    x = 37,420,332,926,623.62/8,374,839.91
  6. Step 6: Final answer
    x = 4,468,184.87

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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.