Home / 34,161,134.94-47,135,401.02-20,215,510.57

Finding the Fourth Proportional to 34,161,134.94, 47,135,401.02 and 20,215,510.57

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Solution

The fourth proportional to 34,161,134.94, 47,135,401.02 and 20,215,510.57 is: 27,893,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161,134.94 : 47,135,401.02 = 20,215,510.57 : x
  2. Step 2: Convert to fraction form
    34,161,134.94/47,135,401.02 = 20,215,510.57/x
  3. Step 3: Cross multiply
    34,161,134.94x = 47,135,401.02 × 20,215,510.57
  4. Step 4: Simplify right side
    34,161,134.94x = 952,866,197,410,480
  5. Step 5: Solve for x
    x = 952,866,197,410,480/34,161,134.94
  6. Step 6: Final answer
    x = 27,893,282.79

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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.