Home / 7,487,780.60-10,330,366.38-4,910,891.96

Finding the Fourth Proportional to 7,487,780.60, 10,330,366.38 and 4,910,891.96

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Solution

The fourth proportional to 7,487,780.60, 10,330,366.38 and 4,910,891.96 is: 6,775,213.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,780.60 : 10,330,366.38 = 4,910,891.96 : x
  2. Step 2: Convert to fraction form
    7,487,780.60/10,330,366.38 = 4,910,891.96/x
  3. Step 3: Cross multiply
    7,487,780.60x = 10,330,366.38 × 4,910,891.96
  4. Step 4: Simplify right side
    7,487,780.60x = 50,731,313,199,396.30
  5. Step 5: Solve for x
    x = 50,731,313,199,396.30/7,487,780.60
  6. Step 6: Final answer
    x = 6,775,213.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.