Home / 21,033,820.16-31,552,536.96-7,385,793.44

Finding the Fourth Proportional to 21,033,820.16, 31,552,536.96 and 7,385,793.44

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Solution

The fourth proportional to 21,033,820.16, 31,552,536.96 and 7,385,793.44 is: 11,079,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,820.16 : 31,552,536.96 = 7,385,793.44 : x
  2. Step 2: Convert to fraction form
    21,033,820.16/31,552,536.96 = 7,385,793.44/x
  3. Step 3: Cross multiply
    21,033,820.16x = 31,552,536.96 × 7,385,793.44
  4. Step 4: Simplify right side
    21,033,820.16x = 233,040,520,494,525.56
  5. Step 5: Solve for x
    x = 233,040,520,494,525.56/21,033,820.16
  6. Step 6: Final answer
    x = 11,079,324.57

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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.