Home / 31,041,849.78-46,582,703.79-20,818,253.55

Finding the Fourth Proportional to 31,041,849.78, 46,582,703.79 and 20,818,253.55

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Solution

The fourth proportional to 31,041,849.78, 46,582,703.79 and 20,818,253.55 is: 31,240,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,041,849.78 : 46,582,703.79 = 20,818,253.55 : x
  2. Step 2: Convert to fraction form
    31,041,849.78/46,582,703.79 = 20,818,253.55/x
  3. Step 3: Cross multiply
    31,041,849.78x = 46,582,703.79 × 20,818,253.55
  4. Step 4: Simplify right side
    31,041,849.78x = 969,770,538,544,766
  5. Step 5: Solve for x
    x = 969,770,538,544,766/31,041,849.78
  6. Step 6: Final answer
    x = 31,240,745.81

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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.