Home / 10,691,619.90-16,039,030.20-3,869,789.16

Finding the Fourth Proportional to 10,691,619.90, 16,039,030.20 and 3,869,789.16

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Solution

The fourth proportional to 10,691,619.90, 16,039,030.20 and 3,869,789.16 is: 5,805,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,619.90 : 16,039,030.20 = 3,869,789.16 : x
  2. Step 2: Convert to fraction form
    10,691,619.90/16,039,030.20 = 3,869,789.16/x
  3. Step 3: Cross multiply
    10,691,619.90x = 16,039,030.20 × 3,869,789.16
  4. Step 4: Simplify right side
    10,691,619.90x = 62,067,665,204,872.63
  5. Step 5: Solve for x
    x = 62,067,665,204,872.63/10,691,619.90
  6. Step 6: Final answer
    x = 5,805,262.98

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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.