Home / 20,722,426.80-31,083,640.20-6,539,002.80

Finding the Fourth Proportional to 20,722,426.80, 31,083,640.20 and 6,539,002.80

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Solution

The fourth proportional to 20,722,426.80, 31,083,640.20 and 6,539,002.80 is: 9,808,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,426.80 : 31,083,640.20 = 6,539,002.80 : x
  2. Step 2: Convert to fraction form
    20,722,426.80/31,083,640.20 = 6,539,002.80/x
  3. Step 3: Cross multiply
    20,722,426.80x = 31,083,640.20 × 6,539,002.80
  4. Step 4: Simplify right side
    20,722,426.80x = 203,256,010,301,992.56
  5. Step 5: Solve for x
    x = 203,256,010,301,992.56/20,722,426.80
  6. Step 6: Final answer
    x = 9,808,504.20

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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.