Home / 18,831,391.20-28,247,086.80-6,053,187.60

Finding the Fourth Proportional to 18,831,391.20, 28,247,086.80 and 6,053,187.60

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Solution

The fourth proportional to 18,831,391.20, 28,247,086.80 and 6,053,187.60 is: 9,079,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,391.20 : 28,247,086.80 = 6,053,187.60 : x
  2. Step 2: Convert to fraction form
    18,831,391.20/28,247,086.80 = 6,053,187.60/x
  3. Step 3: Cross multiply
    18,831,391.20x = 28,247,086.80 × 6,053,187.60
  4. Step 4: Simplify right side
    18,831,391.20x = 170,984,915,553,883.69
  5. Step 5: Solve for x
    x = 170,984,915,553,883.69/18,831,391.20
  6. Step 6: Final answer
    x = 9,079,781.40

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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.