Home / 21,294,468.20-31,941,702.30-15,247,850.60

Finding the Fourth Proportional to 21,294,468.20, 31,941,702.30 and 15,247,850.60

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Solution

The fourth proportional to 21,294,468.20, 31,941,702.30 and 15,247,850.60 is: 22,871,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294,468.20 : 31,941,702.30 = 15,247,850.60 : x
  2. Step 2: Convert to fraction form
    21,294,468.20/31,941,702.30 = 15,247,850.60/x
  3. Step 3: Cross multiply
    21,294,468.20x = 31,941,702.30 × 15,247,850.60
  4. Step 4: Simplify right side
    21,294,468.20x = 487,042,304,580,076.38
  5. Step 5: Solve for x
    x = 487,042,304,580,076.38/21,294,468.20
  6. Step 6: Final answer
    x = 22,871,775.90

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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.