Home / 28,725,305.70-43,087,958.55-13,608,761.70

Finding the Fourth Proportional to 28,725,305.70, 43,087,958.55 and 13,608,761.70

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Solution

The fourth proportional to 28,725,305.70, 43,087,958.55 and 13,608,761.70 is: 20,413,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725,305.70 : 43,087,958.55 = 13,608,761.70 : x
  2. Step 2: Convert to fraction form
    28,725,305.70/43,087,958.55 = 13,608,761.70/x
  3. Step 3: Cross multiply
    28,725,305.70x = 43,087,958.55 × 13,608,761.70
  4. Step 4: Simplify right side
    28,725,305.70x = 586,373,760,046,427.50
  5. Step 5: Solve for x
    x = 586,373,760,046,427.50/28,725,305.70
  6. Step 6: Final answer
    x = 20,413,142.55

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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.