Home / 19,989,963.45-29,986,775.07-5,612,934.27

Finding the Fourth Proportional to 19,989,963.45, 29,986,775.07 and 5,612,934.27

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Solution

The fourth proportional to 19,989,963.45, 29,986,775.07 and 5,612,934.27 is: 8,419,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989,963.45 : 29,986,775.07 = 5,612,934.27 : x
  2. Step 2: Convert to fraction form
    19,989,963.45/29,986,775.07 = 5,612,934.27/x
  3. Step 3: Cross multiply
    19,989,963.45x = 29,986,775.07 × 5,612,934.27
  4. Step 4: Simplify right side
    19,989,963.45x = 168,313,797,437,184.62
  5. Step 5: Solve for x
    x = 168,313,797,437,184.62/19,989,963.45
  6. Step 6: Final answer
    x = 8,419,915.22

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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.