Home / 28,040,077.26-38,695,360.14-15,481,156.20

Finding the Fourth Proportional to 28,040,077.26, 38,695,360.14 and 15,481,156.20

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Solution

The fourth proportional to 28,040,077.26, 38,695,360.14 and 15,481,156.20 is: 21,364,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,040,077.26 : 38,695,360.14 = 15,481,156.20 : x
  2. Step 2: Convert to fraction form
    28,040,077.26/38,695,360.14 = 15,481,156.20/x
  3. Step 3: Cross multiply
    28,040,077.26x = 38,695,360.14 × 15,481,156.20
  4. Step 4: Simplify right side
    28,040,077.26x = 599,048,914,542,593.88
  5. Step 5: Solve for x
    x = 599,048,914,542,593.88/28,040,077.26
  6. Step 6: Final answer
    x = 21,364,025.11

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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.