Home / 22,145,934.60-33,218,901.90-20,728,758.60

Finding the Fourth Proportional to 22,145,934.60, 33,218,901.90 and 20,728,758.60

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Solution

The fourth proportional to 22,145,934.60, 33,218,901.90 and 20,728,758.60 is: 31,093,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,934.60 : 33,218,901.90 = 20,728,758.60 : x
  2. Step 2: Convert to fraction form
    22,145,934.60/33,218,901.90 = 20,728,758.60/x
  3. Step 3: Cross multiply
    22,145,934.60x = 33,218,901.90 × 20,728,758.60
  4. Step 4: Simplify right side
    22,145,934.60x = 688,586,598,442,181.38
  5. Step 5: Solve for x
    x = 688,586,598,442,181.38/22,145,934.60
  6. Step 6: Final answer
    x = 31,093,137.90

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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.