Home / 31,175,571.87-43,023,788.69-17,236,669.05

Finding the Fourth Proportional to 31,175,571.87, 43,023,788.69 and 17,236,669.05

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Solution

The fourth proportional to 31,175,571.87, 43,023,788.69 and 17,236,669.05 is: 23,787,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175,571.87 : 43,023,788.69 = 17,236,669.05 : x
  2. Step 2: Convert to fraction form
    31,175,571.87/43,023,788.69 = 17,236,669.05/x
  3. Step 3: Cross multiply
    31,175,571.87x = 43,023,788.69 × 17,236,669.05
  4. Step 4: Simplify right side
    31,175,571.87x = 741,586,806,840,479.75
  5. Step 5: Solve for x
    x = 741,586,806,840,479.75/31,175,571.87
  6. Step 6: Final answer
    x = 23,787,432.35

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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.