Home / 35,890,134.11-49,528,586.77-20,420,218.75

Finding the Fourth Proportional to 35,890,134.11, 49,528,586.77 and 20,420,218.75

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Solution

The fourth proportional to 35,890,134.11, 49,528,586.77 and 20,420,218.75 is: 28,180,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890,134.11 : 49,528,586.77 = 20,420,218.75 : x
  2. Step 2: Convert to fraction form
    35,890,134.11/49,528,586.77 = 20,420,218.75/x
  3. Step 3: Cross multiply
    35,890,134.11x = 49,528,586.77 × 20,420,218.75
  4. Step 4: Simplify right side
    35,890,134.11x = 1,011,384,576,221,756
  5. Step 5: Solve for x
    x = 1,011,384,576,221,756/35,890,134.11
  6. Step 6: Final answer
    x = 28,180,016.63

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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.