Home / 28,766,420.20-43,149,630.30-7,491,284.20

Finding the Fourth Proportional to 28,766,420.20, 43,149,630.30 and 7,491,284.20

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Solution

The fourth proportional to 28,766,420.20, 43,149,630.30 and 7,491,284.20 is: 11,236,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,766,420.20 : 43,149,630.30 = 7,491,284.20 : x
  2. Step 2: Convert to fraction form
    28,766,420.20/43,149,630.30 = 7,491,284.20/x
  3. Step 3: Cross multiply
    28,766,420.20x = 43,149,630.30 × 7,491,284.20
  4. Step 4: Simplify right side
    28,766,420.20x = 323,246,143,702,231.25
  5. Step 5: Solve for x
    x = 323,246,143,702,231.25/28,766,420.20
  6. Step 6: Final answer
    x = 11,236,926.30

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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.