Home / 39,923,135.60-59,905,439.40-18,647,999.60

Finding the Fourth Proportional to 39,923,135.60, 59,905,439.40 and 18,647,999.60

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Solution

The fourth proportional to 39,923,135.60, 59,905,439.40 and 18,647,999.60 is: 27,981,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923,135.60 : 59,905,439.40 = 18,647,999.60 : x
  2. Step 2: Convert to fraction form
    39,923,135.60/59,905,439.40 = 18,647,999.60/x
  3. Step 3: Cross multiply
    39,923,135.60x = 59,905,439.40 × 18,647,999.60
  4. Step 4: Simplify right side
    39,923,135.60x = 1,117,116,609,969,024.25
  5. Step 5: Solve for x
    x = 1,117,116,609,969,024.25/39,923,135.60
  6. Step 6: Final answer
    x = 27,981,685.14

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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.