Home / 9,983,490.40-13,777,217.76-5,399,812

Finding the Fourth Proportional to 9,983,490.40, 13,777,217.76 and 5,399,812

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Solution

The fourth proportional to 9,983,490.40, 13,777,217.76 and 5,399,812 is: 7,451,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983,490.40 : 13,777,217.76 = 5,399,812 : x
  2. Step 2: Convert to fraction form
    9,983,490.40/13,777,217.76 = 5,399,812/x
  3. Step 3: Cross multiply
    9,983,490.40x = 13,777,217.76 × 5,399,812
  4. Step 4: Simplify right side
    9,983,490.40x = 74,394,385,787,061.12
  5. Step 5: Solve for x
    x = 74,394,385,787,061.12/9,983,490.40
  6. Step 6: Final answer
    x = 7,451,741.11

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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.