Home / 40,530,537.75-60,786,689.58-18,649,928.49

Finding the Fourth Proportional to 40,530,537.75, 60,786,689.58 and 18,649,928.49

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Solution

The fourth proportional to 40,530,537.75, 60,786,689.58 and 18,649,928.49 is: 27,970,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530,537.75 : 60,786,689.58 = 18,649,928.49 : x
  2. Step 2: Convert to fraction form
    40,530,537.75/60,786,689.58 = 18,649,928.49/x
  3. Step 3: Cross multiply
    40,530,537.75x = 60,786,689.58 × 18,649,928.49
  4. Step 4: Simplify right side
    40,530,537.75x = 1,133,667,413,810,828
  5. Step 5: Solve for x
    x = 1,133,667,413,810,828/40,530,537.75
  6. Step 6: Final answer
    x = 27,970,697.57

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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.