Home / 41,438,688.75-57,189,431.16-30,966,520.73

Finding the Fourth Proportional to 41,438,688.75, 57,189,431.16 and 30,966,520.73

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Solution

The fourth proportional to 41,438,688.75, 57,189,431.16 and 30,966,520.73 is: 42,736,818.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,438,688.75 : 57,189,431.16 = 30,966,520.73 : x
  2. Step 2: Convert to fraction form
    41,438,688.75/57,189,431.16 = 30,966,520.73/x
  3. Step 3: Cross multiply
    41,438,688.75x = 57,189,431.16 × 30,966,520.73
  4. Step 4: Simplify right side
    41,438,688.75x = 1,770,957,705,267,100.75
  5. Step 5: Solve for x
    x = 1,770,957,705,267,100.75/41,438,688.75
  6. Step 6: Final answer
    x = 42,736,818.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.