Home / 28,672,123.20-43,008,184.80-9,760,891.20

Finding the Fourth Proportional to 28,672,123.20, 43,008,184.80 and 9,760,891.20

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Solution

The fourth proportional to 28,672,123.20, 43,008,184.80 and 9,760,891.20 is: 14,641,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,123.20 : 43,008,184.80 = 9,760,891.20 : x
  2. Step 2: Convert to fraction form
    28,672,123.20/43,008,184.80 = 9,760,891.20/x
  3. Step 3: Cross multiply
    28,672,123.20x = 43,008,184.80 × 9,760,891.20
  4. Step 4: Simplify right side
    28,672,123.20x = 419,798,212,542,293.69
  5. Step 5: Solve for x
    x = 419,798,212,542,293.69/28,672,123.20
  6. Step 6: Final answer
    x = 14,641,336.80

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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.