Home / 31,800,408.57-47,705,074.74-15,626,996.82

Finding the Fourth Proportional to 31,800,408.57, 47,705,074.74 and 15,626,996.82

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Solution

The fourth proportional to 31,800,408.57, 47,705,074.74 and 15,626,996.82 is: 23,442,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800,408.57 : 47,705,074.74 = 15,626,996.82 : x
  2. Step 2: Convert to fraction form
    31,800,408.57/47,705,074.74 = 15,626,996.82/x
  3. Step 3: Cross multiply
    31,800,408.57x = 47,705,074.74 × 15,626,996.82
  4. Step 4: Simplify right side
    31,800,408.57x = 745,487,051,259,842.38
  5. Step 5: Solve for x
    x = 745,487,051,259,842.38/31,800,408.57
  6. Step 6: Final answer
    x = 23,442,687.84

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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.