Home / 13,486,255.84-20,179,617.32-8,098,187.68

Finding the Fourth Proportional to 13,486,255.84, 20,179,617.32 and 8,098,187.68

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Solution

The fourth proportional to 13,486,255.84, 20,179,617.32 and 8,098,187.68 is: 12,117,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,255.84 : 20,179,617.32 = 8,098,187.68 : x
  2. Step 2: Convert to fraction form
    13,486,255.84/20,179,617.32 = 8,098,187.68/x
  3. Step 3: Cross multiply
    13,486,255.84x = 20,179,617.32 × 8,098,187.68
  4. Step 4: Simplify right side
    13,486,255.84x = 163,418,328,367,938.62
  5. Step 5: Solve for x
    x = 163,418,328,367,938.62/13,486,255.84
  6. Step 6: Final answer
    x = 12,117,397.91

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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.