Home / 28,979,236.20-43,468,854.30-15,542,308.20

Finding the Fourth Proportional to 28,979,236.20, 43,468,854.30 and 15,542,308.20

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Solution

The fourth proportional to 28,979,236.20, 43,468,854.30 and 15,542,308.20 is: 23,313,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,236.20 : 43,468,854.30 = 15,542,308.20 : x
  2. Step 2: Convert to fraction form
    28,979,236.20/43,468,854.30 = 15,542,308.20/x
  3. Step 3: Cross multiply
    28,979,236.20x = 43,468,854.30 × 15,542,308.20
  4. Step 4: Simplify right side
    28,979,236.20x = 675,606,330,631,495.12
  5. Step 5: Solve for x
    x = 675,606,330,631,495.12/28,979,236.20
  6. Step 6: Final answer
    x = 23,313,462.30

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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.