Home / 7,981,123-11,014,221.92-4,359,684.28

Finding the Fourth Proportional to 7,981,123, 11,014,221.92 and 4,359,684.28

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Solution

The fourth proportional to 7,981,123, 11,014,221.92 and 4,359,684.28 is: 6,016,512.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,123 : 11,014,221.92 = 4,359,684.28 : x
  2. Step 2: Convert to fraction form
    7,981,123/11,014,221.92 = 4,359,684.28/x
  3. Step 3: Cross multiply
    7,981,123x = 11,014,221.92 × 4,359,684.28
  4. Step 4: Simplify right side
    7,981,123x = 48,018,530,161,055.42
  5. Step 5: Solve for x
    x = 48,018,530,161,055.42/7,981,123
  6. Step 6: Final answer
    x = 6,016,512.98

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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.