Home / 9,777,943.89-13,493,463.39-5,427,067.77

Finding the Fourth Proportional to 9,777,943.89, 13,493,463.39 and 5,427,067.77

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Solution

The fourth proportional to 9,777,943.89, 13,493,463.39 and 5,427,067.77 is: 7,489,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,777,943.89 : 13,493,463.39 = 5,427,067.77 : x
  2. Step 2: Convert to fraction form
    9,777,943.89/13,493,463.39 = 5,427,067.77/x
  3. Step 3: Cross multiply
    9,777,943.89x = 13,493,463.39 × 5,427,067.77
  4. Step 4: Simplify right side
    9,777,943.89x = 73,229,940,269,543.94
  5. Step 5: Solve for x
    x = 73,229,940,269,543.94/9,777,943.89
  6. Step 6: Final answer
    x = 7,489,298.48

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1.5x scale

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.