Home / 11,971,625.60-17,957,438.40-8,381,446.40

Finding the Fourth Proportional to 11,971,625.60, 17,957,438.40 and 8,381,446.40

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Solution

The fourth proportional to 11,971,625.60, 17,957,438.40 and 8,381,446.40 is: 12,572,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,625.60 : 17,957,438.40 = 8,381,446.40 : x
  2. Step 2: Convert to fraction form
    11,971,625.60/17,957,438.40 = 8,381,446.40/x
  3. Step 3: Cross multiply
    11,971,625.60x = 17,957,438.40 × 8,381,446.40
  4. Step 4: Simplify right side
    11,971,625.60x = 150,509,307,430,901.75
  5. Step 5: Solve for x
    x = 150,509,307,430,901.75/11,971,625.60
  6. Step 6: Final answer
    x = 12,572,169.60

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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.