Home / 6,517,950.16-8,990,679.78-3,866,920.72

Finding the Fourth Proportional to 6,517,950.16, 8,990,679.78 and 3,866,920.72

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Solution

The fourth proportional to 6,517,950.16, 8,990,679.78 and 3,866,920.72 is: 5,333,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517,950.16 : 8,990,679.78 = 3,866,920.72 : x
  2. Step 2: Convert to fraction form
    6,517,950.16/8,990,679.78 = 3,866,920.72/x
  3. Step 3: Cross multiply
    6,517,950.16x = 8,990,679.78 × 3,866,920.72
  4. Step 4: Simplify right side
    6,517,950.16x = 34,766,245,928,167.04
  5. Step 5: Solve for x
    x = 34,766,245,928,167.04/6,517,950.16
  6. Step 6: Final answer
    x = 5,333,923.25

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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.