Home / 31,815,752.21-47,723,323.38-18,852,571.55

Finding the Fourth Proportional to 31,815,752.21, 47,723,323.38 and 18,852,571.55

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Solution

The fourth proportional to 31,815,752.21, 47,723,323.38 and 18,852,571.55 is: 28,278,676.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815,752.21 : 47,723,323.38 = 18,852,571.55 : x
  2. Step 2: Convert to fraction form
    31,815,752.21/47,723,323.38 = 18,852,571.55/x
  3. Step 3: Cross multiply
    31,815,752.21x = 47,723,323.38 × 18,852,571.55
  4. Step 4: Simplify right side
    31,815,752.21x = 899,707,368,744,546.12
  5. Step 5: Solve for x
    x = 899,707,368,744,546.12/31,815,752.21
  6. Step 6: Final answer
    x = 28,278,676.64

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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.