Home / 7,777,401.40-11,666,102.10-2,729,222.20

Finding the Fourth Proportional to 7,777,401.40, 11,666,102.10 and 2,729,222.20

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Solution

The fourth proportional to 7,777,401.40, 11,666,102.10 and 2,729,222.20 is: 4,093,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,401.40 : 11,666,102.10 = 2,729,222.20 : x
  2. Step 2: Convert to fraction form
    7,777,401.40/11,666,102.10 = 2,729,222.20/x
  3. Step 3: Cross multiply
    7,777,401.40x = 11,666,102.10 × 2,729,222.20
  4. Step 4: Simplify right side
    7,777,401.40x = 31,839,384,838,786.62
  5. Step 5: Solve for x
    x = 31,839,384,838,786.62/7,777,401.40
  6. Step 6: Final answer
    x = 4,093,833.30

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Similar ratio
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1.5x scale

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.