Home / 27,656,172.53-38,165,650.67-15,266,040.74

Finding the Fourth Proportional to 27,656,172.53, 38,165,650.67 and 15,266,040.74

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Solution

The fourth proportional to 27,656,172.53, 38,165,650.67 and 15,266,040.74 is: 21,067,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,656,172.53 : 38,165,650.67 = 15,266,040.74 : x
  2. Step 2: Convert to fraction form
    27,656,172.53/38,165,650.67 = 15,266,040.74/x
  3. Step 3: Cross multiply
    27,656,172.53x = 38,165,650.67 × 15,266,040.74
  4. Step 4: Simplify right side
    27,656,172.53x = 582,638,377,987,286.25
  5. Step 5: Solve for x
    x = 582,638,377,987,286.25/27,656,172.53
  6. Step 6: Final answer
    x = 21,067,209.40

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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.