Home / 14,491,342.20-21,739,637.70-7,284,739.80

Finding the Fourth Proportional to 14,491,342.20, 21,739,637.70 and 7,284,739.80

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Solution

The fourth proportional to 14,491,342.20, 21,739,637.70 and 7,284,739.80 is: 10,928,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491,342.20 : 21,739,637.70 = 7,284,739.80 : x
  2. Step 2: Convert to fraction form
    14,491,342.20/21,739,637.70 = 7,284,739.80/x
  3. Step 3: Cross multiply
    14,491,342.20x = 21,739,637.70 × 7,284,739.80
  4. Step 4: Simplify right side
    14,491,342.20x = 158,367,603,990,770.44
  5. Step 5: Solve for x
    x = 158,367,603,990,770.44/14,491,342.20
  6. Step 6: Final answer
    x = 10,928,428.98

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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.