Home / 26,278,124.20-39,390,359.10-17,759,321.80

Finding the Fourth Proportional to 26,278,124.20, 39,390,359.10 and 17,759,321.80

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Solution

The fourth proportional to 26,278,124.20, 39,390,359.10 and 17,759,321.80 is: 26,620,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278,124.20 : 39,390,359.10 = 17,759,321.80 : x
  2. Step 2: Convert to fraction form
    26,278,124.20/39,390,359.10 = 17,759,321.80/x
  3. Step 3: Cross multiply
    26,278,124.20x = 39,390,359.10 × 17,759,321.80
  4. Step 4: Simplify right side
    26,278,124.20x = 699,546,063,074,458.38
  5. Step 5: Solve for x
    x = 699,546,063,074,458.38/26,278,124.20
  6. Step 6: Final answer
    x = 26,620,852.30

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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.