Home / 28,025,461.20-38,675,160.54-15,635,556.56

Finding the Fourth Proportional to 28,025,461.20, 38,675,160.54 and 15,635,556.56

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Solution

The fourth proportional to 28,025,461.20, 38,675,160.54 and 15,635,556.56 is: 21,577,081.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,461.20 : 38,675,160.54 = 15,635,556.56 : x
  2. Step 2: Convert to fraction form
    28,025,461.20/38,675,160.54 = 15,635,556.56/x
  3. Step 3: Cross multiply
    28,025,461.20x = 38,675,160.54 × 15,635,556.56
  4. Step 4: Simplify right side
    28,025,461.20x = 604,707,659,896,874.38
  5. Step 5: Solve for x
    x = 604,707,659,896,874.38/28,025,461.20
  6. Step 6: Final answer
    x = 21,577,081.48

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1.5x scale

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.