Home / 7,663,975.60-11,491,816.20-3,176,705.20

Finding the Fourth Proportional to 7,663,975.60, 11,491,816.20 and 3,176,705.20

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Solution

The fourth proportional to 7,663,975.60, 11,491,816.20 and 3,176,705.20 is: 4,763,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663,975.60 : 11,491,816.20 = 3,176,705.20 : x
  2. Step 2: Convert to fraction form
    7,663,975.60/11,491,816.20 = 3,176,705.20/x
  3. Step 3: Cross multiply
    7,663,975.60x = 11,491,816.20 × 3,176,705.20
  4. Step 4: Simplify right side
    7,663,975.60x = 36,506,112,279,984.24
  5. Step 5: Solve for x
    x = 36,506,112,279,984.24/7,663,975.60
  6. Step 6: Final answer
    x = 4,763,338.79

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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.