Home / 7,790,682.06-11,739,200.18-6,401,849.58

Finding the Fourth Proportional to 7,790,682.06, 11,739,200.18 and 6,401,849.58

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Solution

The fourth proportional to 7,790,682.06, 11,739,200.18 and 6,401,849.58 is: 9,646,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790,682.06 : 11,739,200.18 = 6,401,849.58 : x
  2. Step 2: Convert to fraction form
    7,790,682.06/11,739,200.18 = 6,401,849.58/x
  3. Step 3: Cross multiply
    7,790,682.06x = 11,739,200.18 × 6,401,849.58
  4. Step 4: Simplify right side
    7,790,682.06x = 75,152,593,741,868.92
  5. Step 5: Solve for x
    x = 75,152,593,741,868.92/7,790,682.06
  6. Step 6: Final answer
    x = 9,646,471.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.