Home / 8,443,792.23-12,665,688.75-3,393,921.75

Finding the Fourth Proportional to 8,443,792.23, 12,665,688.75 and 3,393,921.75

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Solution

The fourth proportional to 8,443,792.23, 12,665,688.75 and 3,393,921.75 is: 5,090,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443,792.23 : 12,665,688.75 = 3,393,921.75 : x
  2. Step 2: Convert to fraction form
    8,443,792.23/12,665,688.75 = 3,393,921.75/x
  3. Step 3: Cross multiply
    8,443,792.23x = 12,665,688.75 × 3,393,921.75
  4. Step 4: Simplify right side
    8,443,792.23x = 42,986,356,527,355.31
  5. Step 5: Solve for x
    x = 42,986,356,527,355.31/8,443,792.23
  6. Step 6: Final answer
    x = 5,090,882.79

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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.