Home / 15,865,076.53-21,898,345.69-9,342,489.39

Finding the Fourth Proportional to 15,865,076.53, 21,898,345.69 and 9,342,489.39

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Solution

The fourth proportional to 15,865,076.53, 21,898,345.69 and 9,342,489.39 is: 12,895,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865,076.53 : 21,898,345.69 = 9,342,489.39 : x
  2. Step 2: Convert to fraction form
    15,865,076.53/21,898,345.69 = 9,342,489.39/x
  3. Step 3: Cross multiply
    15,865,076.53x = 21,898,345.69 × 9,342,489.39
  4. Step 4: Simplify right side
    15,865,076.53x = 204,585,062,267,377.25
  5. Step 5: Solve for x
    x = 204,585,062,267,377.25/15,865,076.53
  6. Step 6: Final answer
    x = 12,895,308.88

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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.