Home / 25,700,806.80-38,551,341.38-8,661,627.36

Finding the Fourth Proportional to 25,700,806.80, 38,551,341.38 and 8,661,627.36

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Solution

The fourth proportional to 25,700,806.80, 38,551,341.38 and 8,661,627.36 is: 12,992,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700,806.80 : 38,551,341.38 = 8,661,627.36 : x
  2. Step 2: Convert to fraction form
    25,700,806.80/38,551,341.38 = 8,661,627.36/x
  3. Step 3: Cross multiply
    25,700,806.80x = 38,551,341.38 × 8,661,627.36
  4. Step 4: Simplify right side
    25,700,806.80x = 333,917,353,218,400
  5. Step 5: Solve for x
    x = 333,917,353,218,400/25,700,806.80
  6. Step 6: Final answer
    x = 12,992,485.25

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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.