Home / 15,757,183.40-21,744,912.85-8,513,839.40

Finding the Fourth Proportional to 15,757,183.40, 21,744,912.85 and 8,513,839.40

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Solution

The fourth proportional to 15,757,183.40, 21,744,912.85 and 8,513,839.40 is: 11,749,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757,183.40 : 21,744,912.85 = 8,513,839.40 : x
  2. Step 2: Convert to fraction form
    15,757,183.40/21,744,912.85 = 8,513,839.40/x
  3. Step 3: Cross multiply
    15,757,183.40x = 21,744,912.85 × 8,513,839.40
  4. Step 4: Simplify right side
    15,757,183.40x = 185,132,695,641,887.12
  5. Step 5: Solve for x
    x = 185,132,695,641,887.12/15,757,183.40
  6. Step 6: Final answer
    x = 11,749,098.24

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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.