Home / 16,691,842.20-25,025,807.70-6,447,934.20

Finding the Fourth Proportional to 16,691,842.20, 25,025,807.70 and 6,447,934.20

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Solution

The fourth proportional to 16,691,842.20, 25,025,807.70 and 6,447,934.20 is: 9,667,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691,842.20 : 25,025,807.70 = 6,447,934.20 : x
  2. Step 2: Convert to fraction form
    16,691,842.20/25,025,807.70 = 6,447,934.20/x
  3. Step 3: Cross multiply
    16,691,842.20x = 25,025,807.70 × 6,447,934.20
  4. Step 4: Simplify right side
    16,691,842.20x = 161,364,761,351,453.34
  5. Step 5: Solve for x
    x = 161,364,761,351,453.34/16,691,842.20
  6. Step 6: Final answer
    x = 9,667,282.94

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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.