Home / 20,169,871.01-30,260,969.71-12,091,839.65

Finding the Fourth Proportional to 20,169,871.01, 30,260,969.71 and 12,091,839.65

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Solution

The fourth proportional to 20,169,871.01, 30,260,969.71 and 12,091,839.65 is: 18,141,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,871.01 : 30,260,969.71 = 12,091,839.65 : x
  2. Step 2: Convert to fraction form
    20,169,871.01/30,260,969.71 = 12,091,839.65/x
  3. Step 3: Cross multiply
    20,169,871.01x = 30,260,969.71 × 12,091,839.65
  4. Step 4: Simplify right side
    20,169,871.01x = 365,910,793,205,292.56
  5. Step 5: Solve for x
    x = 365,910,793,205,292.56/20,169,871.01
  6. Step 6: Final answer
    x = 18,141,454.31

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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.