Home / 28,915,736.20-43,373,604.30-15,926,705.80

Finding the Fourth Proportional to 28,915,736.20, 43,373,604.30 and 15,926,705.80

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Solution

The fourth proportional to 28,915,736.20, 43,373,604.30 and 15,926,705.80 is: 23,890,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,915,736.20 : 43,373,604.30 = 15,926,705.80 : x
  2. Step 2: Convert to fraction form
    28,915,736.20/43,373,604.30 = 15,926,705.80/x
  3. Step 3: Cross multiply
    28,915,736.20x = 43,373,604.30 × 15,926,705.80
  4. Step 4: Simplify right side
    28,915,736.20x = 690,798,635,171,714.88
  5. Step 5: Solve for x
    x = 690,798,635,171,714.88/28,915,736.20
  6. Step 6: Final answer
    x = 23,890,058.70

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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.