Home / 21,756,769.56-30,024,908.28-11,967,465.96

Finding the Fourth Proportional to 21,756,769.56, 30,024,908.28 and 11,967,465.96

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Solution

The fourth proportional to 21,756,769.56, 30,024,908.28 and 11,967,465.96 is: 16,515,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756,769.56 : 30,024,908.28 = 11,967,465.96 : x
  2. Step 2: Convert to fraction form
    21,756,769.56/30,024,908.28 = 11,967,465.96/x
  3. Step 3: Cross multiply
    21,756,769.56x = 30,024,908.28 × 11,967,465.96
  4. Step 4: Simplify right side
    21,756,769.56x = 359,322,067,793,022.19
  5. Step 5: Solve for x
    x = 359,322,067,793,022.19/21,756,769.56
  6. Step 6: Final answer
    x = 16,515,414.52

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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.