Home / 7,663,968.60-11,491,805.70-3,176,698.20

Finding the Fourth Proportional to 7,663,968.60, 11,491,805.70 and 3,176,698.20

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Solution

The fourth proportional to 7,663,968.60, 11,491,805.70 and 3,176,698.20 is: 4,763,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,968.60 : 11,491,805.70 = 3,176,698.20 : x
  2. Step 2: Convert to fraction form
    7,663,968.60/11,491,805.70 = 3,176,698.20/x
  3. Step 3: Cross multiply
    7,663,968.60x = 11,491,805.70 × 3,176,698.20
  4. Step 4: Simplify right side
    7,663,968.60x = 36,505,998,481,939.74
  5. Step 5: Solve for x
    x = 36,505,998,481,939.74/7,663,968.60
  6. Step 6: Final answer
    x = 4,763,328.29

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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.