Home / 20,479,883.91-28,263,098.96-11,778,063.42

Finding the Fourth Proportional to 20,479,883.91, 28,263,098.96 and 11,778,063.42

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Solution

The fourth proportional to 20,479,883.91, 28,263,098.96 and 11,778,063.42 is: 16,254,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479,883.91 : 28,263,098.96 = 11,778,063.42 : x
  2. Step 2: Convert to fraction form
    20,479,883.91/28,263,098.96 = 11,778,063.42/x
  3. Step 3: Cross multiply
    20,479,883.91x = 28,263,098.96 × 11,778,063.42
  4. Step 4: Simplify right side
    20,479,883.91x = 332,884,571,996,616.06
  5. Step 5: Solve for x
    x = 332,884,571,996,616.06/20,479,883.91
  6. Step 6: Final answer
    x = 16,254,221.63

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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.