Home / 28,471,635.42-39,290,661.24-15,418,595.64

Finding the Fourth Proportional to 28,471,635.42, 39,290,661.24 and 15,418,595.64

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Solution

The fourth proportional to 28,471,635.42, 39,290,661.24 and 15,418,595.64 is: 21,277,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,635.42 : 39,290,661.24 = 15,418,595.64 : x
  2. Step 2: Convert to fraction form
    28,471,635.42/39,290,661.24 = 15,418,595.64/x
  3. Step 3: Cross multiply
    28,471,635.42x = 39,290,661.24 × 15,418,595.64
  4. Step 4: Simplify right side
    28,471,635.42x = 605,806,818,087,781
  5. Step 5: Solve for x
    x = 605,806,818,087,781/28,471,635.42
  6. Step 6: Final answer
    x = 21,277,556.04

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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.