Home / 20,722,829.80-31,084,244.70-6,539,405.80

Finding the Fourth Proportional to 20,722,829.80, 31,084,244.70 and 6,539,405.80

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Solution

The fourth proportional to 20,722,829.80, 31,084,244.70 and 6,539,405.80 is: 9,809,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,829.80 : 31,084,244.70 = 6,539,405.80 : x
  2. Step 2: Convert to fraction form
    20,722,829.80/31,084,244.70 = 6,539,405.80/x
  3. Step 3: Cross multiply
    20,722,829.80x = 31,084,244.70 × 6,539,405.80
  4. Step 4: Simplify right side
    20,722,829.80x = 203,272,490,079,799.25
  5. Step 5: Solve for x
    x = 203,272,490,079,799.25/20,722,829.80
  6. Step 6: Final answer
    x = 9,809,108.70

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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.