Home / 36,913,988.20-50,939,761.98-21,231,820.36

Finding the Fourth Proportional to 36,913,988.20, 50,939,761.98 and 21,231,820.36

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Solution

The fourth proportional to 36,913,988.20, 50,939,761.98 and 21,231,820.36 is: 29,299,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913,988.20 : 50,939,761.98 = 21,231,820.36 : x
  2. Step 2: Convert to fraction form
    36,913,988.20/50,939,761.98 = 21,231,820.36/x
  3. Step 3: Cross multiply
    36,913,988.20x = 50,939,761.98 × 21,231,820.36
  4. Step 4: Simplify right side
    36,913,988.20x = 1,081,543,875,540,517.88
  5. Step 5: Solve for x
    x = 1,081,543,875,540,517.88/36,913,988.20
  6. Step 6: Final answer
    x = 29,299,025.34

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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.