Home / 21,508,876.40-32,259,628.20-8,038,770.80

Finding the Fourth Proportional to 21,508,876.40, 32,259,628.20 and 8,038,770.80

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Solution

The fourth proportional to 21,508,876.40, 32,259,628.20 and 8,038,770.80 is: 12,056,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,876.40 : 32,259,628.20 = 8,038,770.80 : x
  2. Step 2: Convert to fraction form
    21,508,876.40/32,259,628.20 = 8,038,770.80/x
  3. Step 3: Cross multiply
    21,508,876.40x = 32,259,628.20 × 8,038,770.80
  4. Step 4: Simplify right side
    21,508,876.40x = 259,327,757,193,016.56
  5. Step 5: Solve for x
    x = 259,327,757,193,016.56/21,508,876.40
  6. Step 6: Final answer
    x = 12,056,778.44

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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.