Home / 12,868,845.20-19,303,256.82-3,284,222.96

Finding the Fourth Proportional to 12,868,845.20, 19,303,256.82 and 3,284,222.96

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Solution

The fourth proportional to 12,868,845.20, 19,303,256.82 and 3,284,222.96 is: 4,926,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,845.20 : 19,303,256.82 = 3,284,222.96 : x
  2. Step 2: Convert to fraction form
    12,868,845.20/19,303,256.82 = 3,284,222.96/x
  3. Step 3: Cross multiply
    12,868,845.20x = 19,303,256.82 × 3,284,222.96
  4. Step 4: Simplify right side
    12,868,845.20x = 63,396,199,251,020.59
  5. Step 5: Solve for x
    x = 63,396,199,251,020.59/12,868,845.20
  6. Step 6: Final answer
    x = 4,926,331.64

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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.