Home / 28,961,867.70-43,442,801.55-15,309,738.90

Finding the Fourth Proportional to 28,961,867.70, 43,442,801.55 and 15,309,738.90

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Solution

The fourth proportional to 28,961,867.70, 43,442,801.55 and 15,309,738.90 is: 22,964,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,961,867.70 : 43,442,801.55 = 15,309,738.90 : x
  2. Step 2: Convert to fraction form
    28,961,867.70/43,442,801.55 = 15,309,738.90/x
  3. Step 3: Cross multiply
    28,961,867.70x = 43,442,801.55 × 15,309,738.90
  4. Step 4: Simplify right side
    28,961,867.70x = 665,097,948,815,015.25
  5. Step 5: Solve for x
    x = 665,097,948,815,015.25/28,961,867.70
  6. Step 6: Final answer
    x = 22,964,608.35

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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.