Home / 5,678,589.70-8,517,884.55-5,111,719.30

Finding the Fourth Proportional to 5,678,589.70, 8,517,884.55 and 5,111,719.30

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Solution

The fourth proportional to 5,678,589.70, 8,517,884.55 and 5,111,719.30 is: 7,667,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,589.70 : 8,517,884.55 = 5,111,719.30 : x
  2. Step 2: Convert to fraction form
    5,678,589.70/8,517,884.55 = 5,111,719.30/x
  3. Step 3: Cross multiply
    5,678,589.70x = 8,517,884.55 × 5,111,719.30
  4. Step 4: Simplify right side
    5,678,589.70x = 43,541,034,849,406.82
  5. Step 5: Solve for x
    x = 43,541,034,849,406.82/5,678,589.70
  6. Step 6: Final answer
    x = 7,667,578.95

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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.