Home / 20,070,718.71-27,695,370.36-11,129,604.04

Finding the Fourth Proportional to 20,070,718.71, 27,695,370.36 and 11,129,604.04

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Solution

The fourth proportional to 20,070,718.71, 27,695,370.36 and 11,129,604.04 is: 15,357,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,718.71 : 27,695,370.36 = 11,129,604.04 : x
  2. Step 2: Convert to fraction form
    20,070,718.71/27,695,370.36 = 11,129,604.04/x
  3. Step 3: Cross multiply
    20,070,718.71x = 27,695,370.36 × 11,129,604.04
  4. Step 4: Simplify right side
    20,070,718.71x = 308,238,505,847,952.25
  5. Step 5: Solve for x
    x = 308,238,505,847,952.25/20,070,718.71
  6. Step 6: Final answer
    x = 15,357,621.73

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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.