Home / 5,555,754.80-8,375,273.72-5,185,406.87

Finding the Fourth Proportional to 5,555,754.80, 8,375,273.72 and 5,185,406.87

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Solution

The fourth proportional to 5,555,754.80, 8,375,273.72 and 5,185,406.87 is: 7,816,975.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,754.80 : 8,375,273.72 = 5,185,406.87 : x
  2. Step 2: Convert to fraction form
    5,555,754.80/8,375,273.72 = 5,185,406.87/x
  3. Step 3: Cross multiply
    5,555,754.80x = 8,375,273.72 × 5,185,406.87
  4. Step 4: Simplify right side
    5,555,754.80x = 43,429,201,818,015.05
  5. Step 5: Solve for x
    x = 43,429,201,818,015.05/5,555,754.80
  6. Step 6: Final answer
    x = 7,816,975.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.