Home / 20,902,310.48-31,350,424.40-6,522,032.72

Finding the Fourth Proportional to 20,902,310.48, 31,350,424.40 and 6,522,032.72

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Solution

The fourth proportional to 20,902,310.48, 31,350,424.40 and 6,522,032.72 is: 9,782,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,310.48 : 31,350,424.40 = 6,522,032.72 : x
  2. Step 2: Convert to fraction form
    20,902,310.48/31,350,424.40 = 6,522,032.72/x
  3. Step 3: Cross multiply
    20,902,310.48x = 31,350,424.40 × 6,522,032.72
  4. Step 4: Simplify right side
    20,902,310.48x = 204,468,493,722,686.34
  5. Step 5: Solve for x
    x = 204,468,493,722,686.34/20,902,310.48
  6. Step 6: Final answer
    x = 9,782,100.11

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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.