Home / 26,285,411.20-39,428,116.80-18,632,660.80

Finding the Fourth Proportional to 26,285,411.20, 39,428,116.80 and 18,632,660.80

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Solution

The fourth proportional to 26,285,411.20, 39,428,116.80 and 18,632,660.80 is: 27,948,991.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,285,411.20 : 39,428,116.80 = 18,632,660.80 : x
  2. Step 2: Convert to fraction form
    26,285,411.20/39,428,116.80 = 18,632,660.80/x
  3. Step 3: Cross multiply
    26,285,411.20x = 39,428,116.80 × 18,632,660.80
  4. Step 4: Simplify right side
    26,285,411.20x = 734,650,726,317,181.38
  5. Step 5: Solve for x
    x = 734,650,726,317,181.38/26,285,411.20
  6. Step 6: Final answer
    x = 27,948,991.20

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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.