Home / 15,036,895.38-20,750,360.54-8,161,229.82

Finding the Fourth Proportional to 15,036,895.38, 20,750,360.54 and 8,161,229.82

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Solution

The fourth proportional to 15,036,895.38, 20,750,360.54 and 8,161,229.82 is: 11,262,195.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,036,895.38 : 20,750,360.54 = 8,161,229.82 : x
  2. Step 2: Convert to fraction form
    15,036,895.38/20,750,360.54 = 8,161,229.82/x
  3. Step 3: Cross multiply
    15,036,895.38x = 20,750,360.54 × 8,161,229.82
  4. Step 4: Simplify right side
    15,036,895.38x = 169,348,461,214,799.31
  5. Step 5: Solve for x
    x = 169,348,461,214,799.31/15,036,895.38
  6. Step 6: Final answer
    x = 11,262,195.88

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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.