Home / 28,083,612.20-42,125,418.30-11,906,810.60

Finding the Fourth Proportional to 28,083,612.20, 42,125,418.30 and 11,906,810.60

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Solution

The fourth proportional to 28,083,612.20, 42,125,418.30 and 11,906,810.60 is: 17,860,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,612.20 : 42,125,418.30 = 11,906,810.60 : x
  2. Step 2: Convert to fraction form
    28,083,612.20/42,125,418.30 = 11,906,810.60/x
  3. Step 3: Cross multiply
    28,083,612.20x = 42,125,418.30 × 11,906,810.60
  4. Step 4: Simplify right side
    28,083,612.20x = 501,579,377,143,873.94
  5. Step 5: Solve for x
    x = 501,579,377,143,873.94/28,083,612.20
  6. Step 6: Final answer
    x = 17,860,215.90

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1.5x scale

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.