Home / 6,120,724.77-8,448,873.89-5,257,822.05

Finding the Fourth Proportional to 6,120,724.77, 8,448,873.89 and 5,257,822.05

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Solution

The fourth proportional to 6,120,724.77, 8,448,873.89 and 5,257,822.05 is: 7,257,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,724.77 : 8,448,873.89 = 5,257,822.05 : x
  2. Step 2: Convert to fraction form
    6,120,724.77/8,448,873.89 = 5,257,822.05/x
  3. Step 3: Cross multiply
    6,120,724.77x = 8,448,873.89 × 5,257,822.05
  4. Step 4: Simplify right side
    6,120,724.77x = 44,422,675,410,222.16
  5. Step 5: Solve for x
    x = 44,422,675,410,222.16/6,120,724.77
  6. Step 6: Final answer
    x = 7,257,747.58

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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.