Home / 25,700,797.80-38,551,327.88-8,661,618.36

Finding the Fourth Proportional to 25,700,797.80, 38,551,327.88 and 8,661,618.36

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Solution

The fourth proportional to 25,700,797.80, 38,551,327.88 and 8,661,618.36 is: 12,992,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700,797.80 : 38,551,327.88 = 8,661,618.36 : x
  2. Step 2: Convert to fraction form
    25,700,797.80/38,551,327.88 = 8,661,618.36/x
  3. Step 3: Cross multiply
    25,700,797.80x = 38,551,327.88 × 8,661,618.36
  4. Step 4: Simplify right side
    25,700,797.80x = 333,916,889,324,479.75
  5. Step 5: Solve for x
    x = 333,916,889,324,479.75/25,700,797.80
  6. Step 6: Final answer
    x = 12,992,471.75

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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.