Home / 6,625,676.80-9,143,986.35-3,686,047.75

Finding the Fourth Proportional to 6,625,676.80, 9,143,986.35 and 3,686,047.75

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Solution

The fourth proportional to 6,625,676.80, 9,143,986.35 and 3,686,047.75 is: 5,087,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625,676.80 : 9,143,986.35 = 3,686,047.75 : x
  2. Step 2: Convert to fraction form
    6,625,676.80/9,143,986.35 = 3,686,047.75/x
  3. Step 3: Cross multiply
    6,625,676.80x = 9,143,986.35 × 3,686,047.75
  4. Step 4: Simplify right side
    6,625,676.80x = 33,705,170,311,448.21
  5. Step 5: Solve for x
    x = 33,705,170,311,448.21/6,625,676.80
  6. Step 6: Final answer
    x = 5,087,053.19

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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.