Home / 22,160,173.38-30,359,295.93-21,331,485.95

Finding the Fourth Proportional to 22,160,173.38, 30,359,295.93 and 21,331,485.95

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Solution

The fourth proportional to 22,160,173.38, 30,359,295.93 and 21,331,485.95 is: 29,223,999.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160,173.38 : 30,359,295.93 = 21,331,485.95 : x
  2. Step 2: Convert to fraction form
    22,160,173.38/30,359,295.93 = 21,331,485.95/x
  3. Step 3: Cross multiply
    22,160,173.38x = 30,359,295.93 × 21,331,485.95
  4. Step 4: Simplify right side
    22,160,173.38x = 647,608,894,430,890.75
  5. Step 5: Solve for x
    x = 647,608,894,430,890.75/22,160,173.38
  6. Step 6: Final answer
    x = 29,223,999.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.