Home / 20,280,886.26-30,400,859.07-12,713,166.42

Finding the Fourth Proportional to 20,280,886.26, 30,400,859.07 and 12,713,166.42

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Solution

The fourth proportional to 20,280,886.26, 30,400,859.07 and 12,713,166.42 is: 19,056,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,886.26 : 30,400,859.07 = 12,713,166.42 : x
  2. Step 2: Convert to fraction form
    20,280,886.26/30,400,859.07 = 12,713,166.42/x
  3. Step 3: Cross multiply
    20,280,886.26x = 30,400,859.07 × 12,713,166.42
  4. Step 4: Simplify right side
    20,280,886.26x = 386,491,180,667,876.44
  5. Step 5: Solve for x
    x = 386,491,180,667,876.44/20,280,886.26
  6. Step 6: Final answer
    x = 19,056,917.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.