Home / 7,478,942.28-10,320,943.08-4,041,183.30

Finding the Fourth Proportional to 7,478,942.28, 10,320,943.08 and 4,041,183.30

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Solution

The fourth proportional to 7,478,942.28, 10,320,943.08 and 4,041,183.30 is: 5,576,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,942.28 : 10,320,943.08 = 4,041,183.30 : x
  2. Step 2: Convert to fraction form
    7,478,942.28/10,320,943.08 = 4,041,183.30/x
  3. Step 3: Cross multiply
    7,478,942.28x = 10,320,943.08 × 4,041,183.30
  4. Step 4: Simplify right side
    7,478,942.28x = 41,708,822,815,146.56
  5. Step 5: Solve for x
    x = 41,708,822,815,146.56/7,478,942.28
  6. Step 6: Final answer
    x = 5,576,834.43

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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.