Home / 18,461,281.80-27,691,922.70-12,414,664.20

Finding the Fourth Proportional to 18,461,281.80, 27,691,922.70 and 12,414,664.20

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Solution

The fourth proportional to 18,461,281.80, 27,691,922.70 and 12,414,664.20 is: 18,621,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461,281.80 : 27,691,922.70 = 12,414,664.20 : x
  2. Step 2: Convert to fraction form
    18,461,281.80/27,691,922.70 = 12,414,664.20/x
  3. Step 3: Cross multiply
    18,461,281.80x = 27,691,922.70 × 12,414,664.20
  4. Step 4: Simplify right side
    18,461,281.80x = 343,785,921,372,857.31
  5. Step 5: Solve for x
    x = 343,785,921,372,857.31/18,461,281.80
  6. Step 6: Final answer
    x = 18,621,996.30

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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.