Home / 11,177,999.10-16,766,998.65-8,131,070.70

Finding the Fourth Proportional to 11,177,999.10, 16,766,998.65 and 8,131,070.70

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Solution

The fourth proportional to 11,177,999.10, 16,766,998.65 and 8,131,070.70 is: 12,196,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,999.10 : 16,766,998.65 = 8,131,070.70 : x
  2. Step 2: Convert to fraction form
    11,177,999.10/16,766,998.65 = 8,131,070.70/x
  3. Step 3: Cross multiply
    11,177,999.10x = 16,766,998.65 × 8,131,070.70
  4. Step 4: Simplify right side
    11,177,999.10x = 136,333,651,449,954.56
  5. Step 5: Solve for x
    x = 136,333,651,449,954.56/11,177,999.10
  6. Step 6: Final answer
    x = 12,196,606.05

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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.