Home / 22,099,309.30-33,148,963.95-20,186,121.70

Finding the Fourth Proportional to 22,099,309.30, 33,148,963.95 and 20,186,121.70

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Solution

The fourth proportional to 22,099,309.30, 33,148,963.95 and 20,186,121.70 is: 30,279,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099,309.30 : 33,148,963.95 = 20,186,121.70 : x
  2. Step 2: Convert to fraction form
    22,099,309.30/33,148,963.95 = 20,186,121.70/x
  3. Step 3: Cross multiply
    22,099,309.30x = 33,148,963.95 × 20,186,121.70
  4. Step 4: Simplify right side
    22,099,309.30x = 669,149,020,523,612.62
  5. Step 5: Solve for x
    x = 669,149,020,523,612.62/22,099,309.30
  6. Step 6: Final answer
    x = 30,279,182.55

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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.