Home / 15,055,519.39-20,776,805.72-8,180,116.27

Finding the Fourth Proportional to 15,055,519.39, 20,776,805.72 and 8,180,116.27

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Solution

The fourth proportional to 15,055,519.39, 20,776,805.72 and 8,180,116.27 is: 11,288,663.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055,519.39 : 20,776,805.72 = 8,180,116.27 : x
  2. Step 2: Convert to fraction form
    15,055,519.39/20,776,805.72 = 8,180,116.27/x
  3. Step 3: Cross multiply
    15,055,519.39x = 20,776,805.72 × 8,180,116.27
  4. Step 4: Simplify right side
    15,055,519.39x = 169,956,686,508,801.03
  5. Step 5: Solve for x
    x = 169,956,686,508,801.03/15,055,519.39
  6. Step 6: Final answer
    x = 11,288,663.12

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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.