Home / 31,860,556.20-43,951,649.94-20,114,381.49

Finding the Fourth Proportional to 31,860,556.20, 43,951,649.94 and 20,114,381.49

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Solution

The fourth proportional to 31,860,556.20, 43,951,649.94 and 20,114,381.49 is: 27,747,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860,556.20 : 43,951,649.94 = 20,114,381.49 : x
  2. Step 2: Convert to fraction form
    31,860,556.20/43,951,649.94 = 20,114,381.49/x
  3. Step 3: Cross multiply
    31,860,556.20x = 43,951,649.94 × 20,114,381.49
  4. Step 4: Simplify right side
    31,860,556.20x = 884,060,254,008,095.50
  5. Step 5: Solve for x
    x = 884,060,254,008,095.50/31,860,556.20
  6. Step 6: Final answer
    x = 27,747,797.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.