Home / 9,621,847.89-13,278,044.39-5,211,463.82

Finding the Fourth Proportional to 9,621,847.89, 13,278,044.39 and 5,211,463.82

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Solution

The fourth proportional to 9,621,847.89, 13,278,044.39 and 5,211,463.82 is: 7,191,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,847.89 : 13,278,044.39 = 5,211,463.82 : x
  2. Step 2: Convert to fraction form
    9,621,847.89/13,278,044.39 = 5,211,463.82/x
  3. Step 3: Cross multiply
    9,621,847.89x = 13,278,044.39 × 5,211,463.82
  4. Step 4: Simplify right side
    9,621,847.89x = 69,198,047,846,391.43
  5. Step 5: Solve for x
    x = 69,198,047,846,391.43/9,621,847.89
  6. Step 6: Final answer
    x = 7,191,762.81

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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.