Home / 29,123,845.20-43,660,177.61-11,866,557.60

Finding the Fourth Proportional to 29,123,845.20, 43,660,177.61 and 11,866,557.60

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Solution

The fourth proportional to 29,123,845.20, 43,660,177.61 and 11,866,557.60 is: 17,789,409.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,845.20 : 43,660,177.61 = 11,866,557.60 : x
  2. Step 2: Convert to fraction form
    29,123,845.20/43,660,177.61 = 11,866,557.60/x
  3. Step 3: Cross multiply
    29,123,845.20x = 43,660,177.61 × 11,866,557.60
  4. Step 4: Simplify right side
    29,123,845.20x = 518,096,012,375,962.50
  5. Step 5: Solve for x
    x = 518,096,012,375,962.50/29,123,845.20
  6. Step 6: Final answer
    x = 17,789,409.63

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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.