Home / 13,392,976.90-18,486,241.53-8,747,472.12

Finding the Fourth Proportional to 13,392,976.90, 18,486,241.53 and 8,747,472.12

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Solution

The fourth proportional to 13,392,976.90, 18,486,241.53 and 8,747,472.12 is: 12,074,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392,976.90 : 18,486,241.53 = 8,747,472.12 : x
  2. Step 2: Convert to fraction form
    13,392,976.90/18,486,241.53 = 8,747,472.12/x
  3. Step 3: Cross multiply
    13,392,976.90x = 18,486,241.53 × 8,747,472.12
  4. Step 4: Simplify right side
    13,392,976.90x = 161,707,882,387,261.12
  5. Step 5: Solve for x
    x = 161,707,882,387,261.12/13,392,976.90
  6. Step 6: Final answer
    x = 12,074,080.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.