Home / 7,777,410.40-11,666,115.60-2,729,231.20

Finding the Fourth Proportional to 7,777,410.40, 11,666,115.60 and 2,729,231.20

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Solution

The fourth proportional to 7,777,410.40, 11,666,115.60 and 2,729,231.20 is: 4,093,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,410.40 : 11,666,115.60 = 2,729,231.20 : x
  2. Step 2: Convert to fraction form
    7,777,410.40/11,666,115.60 = 2,729,231.20/x
  3. Step 3: Cross multiply
    7,777,410.40x = 11,666,115.60 × 2,729,231.20
  4. Step 4: Simplify right side
    7,777,410.40x = 31,839,526,678,326.72
  5. Step 5: Solve for x
    x = 31,839,526,678,326.72/7,777,410.40
  6. Step 6: Final answer
    x = 4,093,846.80

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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.