Home / 6,985,020.20-10,456,535.10-4,143,669.80

Finding the Fourth Proportional to 6,985,020.20, 10,456,535.10 and 4,143,669.80

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Solution

The fourth proportional to 6,985,020.20, 10,456,535.10 and 4,143,669.80 is: 6,203,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,020.20 : 10,456,535.10 = 4,143,669.80 : x
  2. Step 2: Convert to fraction form
    6,985,020.20/10,456,535.10 = 4,143,669.80/x
  3. Step 3: Cross multiply
    6,985,020.20x = 10,456,535.10 × 4,143,669.80
  4. Step 4: Simplify right side
    6,985,020.20x = 43,328,428,706,509.98
  5. Step 5: Solve for x
    x = 43,328,428,706,509.98/6,985,020.20
  6. Step 6: Final answer
    x = 6,203,049.88

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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.