Home / 14,086,912.71-21,083,286.39-8,020,015.75

Finding the Fourth Proportional to 14,086,912.71, 21,083,286.39 and 8,020,015.75

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Solution

The fourth proportional to 14,086,912.71, 21,083,286.39 and 8,020,015.75 is: 12,003,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086,912.71 : 21,083,286.39 = 8,020,015.75 : x
  2. Step 2: Convert to fraction form
    14,086,912.71/21,083,286.39 = 8,020,015.75/x
  3. Step 3: Cross multiply
    14,086,912.71x = 21,083,286.39 × 8,020,015.75
  4. Step 4: Simplify right side
    14,086,912.71x = 169,088,288,909,560.66
  5. Step 5: Solve for x
    x = 169,088,288,909,560.66/14,086,912.71
  6. Step 6: Final answer
    x = 12,003,218.33

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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.