Home / 13,841,915.80-20,770,309.86-5,760,463

Finding the Fourth Proportional to 13,841,915.80, 20,770,309.86 and 5,760,463

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Solution

The fourth proportional to 13,841,915.80, 20,770,309.86 and 5,760,463 is: 8,643,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,915.80 : 20,770,309.86 = 5,760,463 : x
  2. Step 2: Convert to fraction form
    13,841,915.80/20,770,309.86 = 5,760,463/x
  3. Step 3: Cross multiply
    13,841,915.80x = 20,770,309.86 × 5,760,463
  4. Step 4: Simplify right side
    13,841,915.80x = 119,646,601,447,065.17
  5. Step 5: Solve for x
    x = 119,646,601,447,065.17/13,841,915.80
  6. Step 6: Final answer
    x = 8,643,789.14

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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.