Home / 14,039,632.82-21,060,734.43-3,942,185.78

Finding the Fourth Proportional to 14,039,632.82, 21,060,734.43 and 3,942,185.78

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Solution

The fourth proportional to 14,039,632.82, 21,060,734.43 and 3,942,185.78 is: 5,913,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039,632.82 : 21,060,734.43 = 3,942,185.78 : x
  2. Step 2: Convert to fraction form
    14,039,632.82/21,060,734.43 = 3,942,185.78/x
  3. Step 3: Cross multiply
    14,039,632.82x = 21,060,734.43 × 3,942,185.78
  4. Step 4: Simplify right side
    14,039,632.82x = 83,025,327,786,302.41
  5. Step 5: Solve for x
    x = 83,025,327,786,302.41/14,039,632.82
  6. Step 6: Final answer
    x = 5,913,639.54

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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.