Home / 43,511,634.28-65,274,887.22-17,938,664.20

Finding the Fourth Proportional to 43,511,634.28, 65,274,887.22 and 17,938,664.20

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Solution

The fourth proportional to 43,511,634.28, 65,274,887.22 and 17,938,664.20 is: 26,911,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,511,634.28 : 65,274,887.22 = 17,938,664.20 : x
  2. Step 2: Convert to fraction form
    43,511,634.28/65,274,887.22 = 17,938,664.20/x
  3. Step 3: Cross multiply
    43,511,634.28x = 65,274,887.22 × 17,938,664.20
  4. Step 4: Simplify right side
    43,511,634.28x = 1,170,944,282,532,451.50
  5. Step 5: Solve for x
    x = 1,170,944,282,532,451.50/43,511,634.28
  6. Step 6: Final answer
    x = 26,911,061.88

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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.