Home / 20,552,909.12-30,825,639.18-8,256,376.33

Finding the Fourth Proportional to 20,552,909.12, 30,825,639.18 and 8,256,376.33

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Solution

The fourth proportional to 20,552,909.12, 30,825,639.18 and 8,256,376.33 is: 12,383,068.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,909.12 : 30,825,639.18 = 8,256,376.33 : x
  2. Step 2: Convert to fraction form
    20,552,909.12/30,825,639.18 = 8,256,376.33/x
  3. Step 3: Cross multiply
    20,552,909.12x = 30,825,639.18 × 8,256,376.33
  4. Step 4: Simplify right side
    20,552,909.12x = 254,508,077,682,872.59
  5. Step 5: Solve for x
    x = 254,508,077,682,872.59/20,552,909.12
  6. Step 6: Final answer
    x = 12,383,068.31

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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.