Home / 18,363,991.20-27,547,023.60-5,584,912.80

Finding the Fourth Proportional to 18,363,991.20, 27,547,023.60 and 5,584,912.80

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Solution

The fourth proportional to 18,363,991.20, 27,547,023.60 and 5,584,912.80 is: 8,377,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363,991.20 : 27,547,023.60 = 5,584,912.80 : x
  2. Step 2: Convert to fraction form
    18,363,991.20/27,547,023.60 = 5,584,912.80/x
  3. Step 3: Cross multiply
    18,363,991.20x = 27,547,023.60 × 5,584,912.80
  4. Step 4: Simplify right side
    18,363,991.20x = 153,847,724,705,542.09
  5. Step 5: Solve for x
    x = 153,847,724,705,542.09/18,363,991.20
  6. Step 6: Final answer
    x = 8,377,684.51

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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.