Home / 10,243,183.70-15,364,775.55-5,141,350.10

Finding the Fourth Proportional to 10,243,183.70, 15,364,775.55 and 5,141,350.10

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Solution

The fourth proportional to 10,243,183.70, 15,364,775.55 and 5,141,350.10 is: 7,712,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243,183.70 : 15,364,775.55 = 5,141,350.10 : x
  2. Step 2: Convert to fraction form
    10,243,183.70/15,364,775.55 = 5,141,350.10/x
  3. Step 3: Cross multiply
    10,243,183.70x = 15,364,775.55 × 5,141,350.10
  4. Step 4: Simplify right side
    10,243,183.70x = 78,995,690,310,470.05
  5. Step 5: Solve for x
    x = 78,995,690,310,470.05/10,243,183.70
  6. Step 6: Final answer
    x = 7,712,025.15

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Similar ratio
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1.5x scale

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.