Home / 12,859,401.66-17,745,720.87-7,277,544.78

Finding the Fourth Proportional to 12,859,401.66, 17,745,720.87 and 7,277,544.78

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Solution

The fourth proportional to 12,859,401.66, 17,745,720.87 and 7,277,544.78 is: 10,042,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,401.66 : 17,745,720.87 = 7,277,544.78 : x
  2. Step 2: Convert to fraction form
    12,859,401.66/17,745,720.87 = 7,277,544.78/x
  3. Step 3: Cross multiply
    12,859,401.66x = 17,745,720.87 × 7,277,544.78
  4. Step 4: Simplify right side
    12,859,401.66x = 129,145,278,284,805.58
  5. Step 5: Solve for x
    x = 129,145,278,284,805.58/12,859,401.66
  6. Step 6: Final answer
    x = 10,042,868.38

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1.5x scale

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.