Home / 11,108,621.80-16,662,932.70-9,691,445.80

Finding the Fourth Proportional to 11,108,621.80, 16,662,932.70 and 9,691,445.80

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Solution

The fourth proportional to 11,108,621.80, 16,662,932.70 and 9,691,445.80 is: 14,537,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108,621.80 : 16,662,932.70 = 9,691,445.80 : x
  2. Step 2: Convert to fraction form
    11,108,621.80/16,662,932.70 = 9,691,445.80/x
  3. Step 3: Cross multiply
    11,108,621.80x = 16,662,932.70 × 9,691,445.80
  4. Step 4: Simplify right side
    11,108,621.80x = 161,487,909,131,097.66
  5. Step 5: Solve for x
    x = 161,487,909,131,097.66/11,108,621.80
  6. Step 6: Final answer
    x = 14,537,168.70

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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.