Home / 27,998,081.80-38,637,344.10-15,121,025.80

Finding the Fourth Proportional to 27,998,081.80, 38,637,344.10 and 15,121,025.80

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Solution

The fourth proportional to 27,998,081.80, 38,637,344.10 and 15,121,025.80 is: 20,867,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998,081.80 : 38,637,344.10 = 15,121,025.80 : x
  2. Step 2: Convert to fraction form
    27,998,081.80/38,637,344.10 = 15,121,025.80/x
  3. Step 3: Cross multiply
    27,998,081.80x = 38,637,344.10 × 15,121,025.80
  4. Step 4: Simplify right side
    27,998,081.80x = 584,236,276,979,577.88
  5. Step 5: Solve for x
    x = 584,236,276,979,577.88/27,998,081.80
  6. Step 6: Final answer
    x = 20,867,010.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.