Home / 16,916,405.80-23,344,662.70-9,181,446.06

Finding the Fourth Proportional to 16,916,405.80, 23,344,662.70 and 9,181,446.06

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Solution

The fourth proportional to 16,916,405.80, 23,344,662.70 and 9,181,446.06 is: 12,670,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,405.80 : 23,344,662.70 = 9,181,446.06 : x
  2. Step 2: Convert to fraction form
    16,916,405.80/23,344,662.70 = 9,181,446.06/x
  3. Step 3: Cross multiply
    16,916,405.80x = 23,344,662.70 × 9,181,446.06
  4. Step 4: Simplify right side
    16,916,405.80x = 214,337,761,368,943.97
  5. Step 5: Solve for x
    x = 214,337,761,368,943.97/16,916,405.80
  6. Step 6: Final answer
    x = 12,670,407.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.