Home / 7,686,231.40-11,521,473.90-4,489,712.20

Finding the Fourth Proportional to 7,686,231.40, 11,521,473.90 and 4,489,712.20

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Solution

The fourth proportional to 7,686,231.40, 11,521,473.90 and 4,489,712.20 is: 6,729,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,231.40 : 11,521,473.90 = 4,489,712.20 : x
  2. Step 2: Convert to fraction form
    7,686,231.40/11,521,473.90 = 4,489,712.20/x
  3. Step 3: Cross multiply
    7,686,231.40x = 11,521,473.90 × 4,489,712.20
  4. Step 4: Simplify right side
    7,686,231.40x = 51,728,101,930,811.59
  5. Step 5: Solve for x
    x = 51,728,101,930,811.59/7,686,231.40
  6. Step 6: Final answer
    x = 6,729,969.37

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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.