Home / 12,011,195.60-18,016,793.40-11,899,221.20

Finding the Fourth Proportional to 12,011,195.60, 18,016,793.40 and 11,899,221.20

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Solution

The fourth proportional to 12,011,195.60, 18,016,793.40 and 11,899,221.20 is: 17,848,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011,195.60 : 18,016,793.40 = 11,899,221.20 : x
  2. Step 2: Convert to fraction form
    12,011,195.60/18,016,793.40 = 11,899,221.20/x
  3. Step 3: Cross multiply
    12,011,195.60x = 18,016,793.40 × 11,899,221.20
  4. Step 4: Simplify right side
    12,011,195.60x = 214,385,809,981,300.06
  5. Step 5: Solve for x
    x = 214,385,809,981,300.06/12,011,195.60
  6. Step 6: Final answer
    x = 17,848,831.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.