Home / 28,915,844.20-43,373,766.30-15,926,813.80

Finding the Fourth Proportional to 28,915,844.20, 43,373,766.30 and 15,926,813.80

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Solution

The fourth proportional to 28,915,844.20, 43,373,766.30 and 15,926,813.80 is: 23,890,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,844.20 : 43,373,766.30 = 15,926,813.80 : x
  2. Step 2: Convert to fraction form
    28,915,844.20/43,373,766.30 = 15,926,813.80/x
  3. Step 3: Cross multiply
    28,915,844.20x = 43,373,766.30 × 15,926,813.80
  4. Step 4: Simplify right side
    28,915,844.20x = 690,805,899,664,814.88
  5. Step 5: Solve for x
    x = 690,805,899,664,814.88/28,915,844.20
  6. Step 6: Final answer
    x = 23,890,220.70

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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.