Home / 7,686,230.40-11,521,472.40-4,489,711.20

Finding the Fourth Proportional to 7,686,230.40, 11,521,472.40 and 4,489,711.20

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Solution

The fourth proportional to 7,686,230.40, 11,521,472.40 and 4,489,711.20 is: 6,729,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686,230.40 : 11,521,472.40 = 4,489,711.20 : x
  2. Step 2: Convert to fraction form
    7,686,230.40/11,521,472.40 = 4,489,711.20/x
  3. Step 3: Cross multiply
    7,686,230.40x = 11,521,472.40 × 4,489,711.20
  4. Step 4: Simplify right side
    7,686,230.40x = 51,728,083,674,770.88
  5. Step 5: Solve for x
    x = 51,728,083,674,770.88/7,686,230.40
  6. Step 6: Final answer
    x = 6,729,967.88

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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.