Home / 27,655,790.70-38,164,998-15,265,891.20

Finding the Fourth Proportional to 27,655,790.70, 38,164,998 and 15,265,891.20

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Solution

The fourth proportional to 27,655,790.70, 38,164,998 and 15,265,891.20 is: 21,066,933.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655,790.70 : 38,164,998 = 15,265,891.20 : x
  2. Step 2: Convert to fraction form
    27,655,790.70/38,164,998 = 15,265,891.20/x
  3. Step 3: Cross multiply
    27,655,790.70x = 38,164,998 × 15,265,891.20
  4. Step 4: Simplify right side
    27,655,790.70x = 582,622,707,116,217.62
  5. Step 5: Solve for x
    x = 582,622,707,116,217.62/27,655,790.70
  6. Step 6: Final answer
    x = 21,066,933.63

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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.