Home / 30,591,489.29-45,888,758.72-8,735,110.25

Finding the Fourth Proportional to 30,591,489.29, 45,888,758.72 and 8,735,110.25

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Solution

The fourth proportional to 30,591,489.29, 45,888,758.72 and 8,735,110.25 is: 13,103,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,489.29 : 45,888,758.72 = 8,735,110.25 : x
  2. Step 2: Convert to fraction form
    30,591,489.29/45,888,758.72 = 8,735,110.25/x
  3. Step 3: Cross multiply
    30,591,489.29x = 45,888,758.72 × 8,735,110.25
  4. Step 4: Simplify right side
    30,591,489.29x = 400,843,366,381,729.50
  5. Step 5: Solve for x
    x = 400,843,366,381,729.50/30,591,489.29
  6. Step 6: Final answer
    x = 13,103,100.76

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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.