Home / 20,203,916.80-30,309,811.80-8,071,315.60

Finding the Fourth Proportional to 20,203,916.80, 30,309,811.80 and 8,071,315.60

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Solution

The fourth proportional to 20,203,916.80, 30,309,811.80 and 8,071,315.60 is: 12,108,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,916.80 : 30,309,811.80 = 8,071,315.60 : x
  2. Step 2: Convert to fraction form
    20,203,916.80/30,309,811.80 = 8,071,315.60/x
  3. Step 3: Cross multiply
    20,203,916.80x = 30,309,811.80 × 8,071,315.60
  4. Step 4: Simplify right side
    20,203,916.80x = 244,640,056,814,404.06
  5. Step 5: Solve for x
    x = 244,640,056,814,404.06/20,203,916.80
  6. Step 6: Final answer
    x = 12,108,546.04

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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.