Home / 28,392,610.80-42,588,916.20-17,027,209.20

Finding the Fourth Proportional to 28,392,610.80, 42,588,916.20 and 17,027,209.20

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Solution

The fourth proportional to 28,392,610.80, 42,588,916.20 and 17,027,209.20 is: 25,540,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,610.80 : 42,588,916.20 = 17,027,209.20 : x
  2. Step 2: Convert to fraction form
    28,392,610.80/42,588,916.20 = 17,027,209.20/x
  3. Step 3: Cross multiply
    28,392,610.80x = 42,588,916.20 × 17,027,209.20
  4. Step 4: Simplify right side
    28,392,610.80x = 725,170,385,738,669
  5. Step 5: Solve for x
    x = 725,170,385,738,669/28,392,610.80
  6. Step 6: Final answer
    x = 25,540,813.80

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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.