Home / 27,516,096.20-41,274,144.30-21,158,438.60

Finding the Fourth Proportional to 27,516,096.20, 41,274,144.30 and 21,158,438.60

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Solution

The fourth proportional to 27,516,096.20, 41,274,144.30 and 21,158,438.60 is: 31,737,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516,096.20 : 41,274,144.30 = 21,158,438.60 : x
  2. Step 2: Convert to fraction form
    27,516,096.20/41,274,144.30 = 21,158,438.60/x
  3. Step 3: Cross multiply
    27,516,096.20x = 41,274,144.30 × 21,158,438.60
  4. Step 4: Simplify right side
    27,516,096.20x = 873,296,447,939,090
  5. Step 5: Solve for x
    x = 873,296,447,939,090/27,516,096.20
  6. Step 6: Final answer
    x = 31,737,657.90

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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.