Home / 7,130,169.01-9,840,891.18-4,231,158.36

Finding the Fourth Proportional to 7,130,169.01, 9,840,891.18 and 4,231,158.36

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Solution

The fourth proportional to 7,130,169.01, 9,840,891.18 and 4,231,158.36 is: 5,839,745.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,169.01 : 9,840,891.18 = 4,231,158.36 : x
  2. Step 2: Convert to fraction form
    7,130,169.01/9,840,891.18 = 4,231,158.36/x
  3. Step 3: Cross multiply
    7,130,169.01x = 9,840,891.18 × 4,231,158.36
  4. Step 4: Simplify right side
    7,130,169.01x = 41,638,368,986,107.27
  5. Step 5: Solve for x
    x = 41,638,368,986,107.27/7,130,169.01
  6. Step 6: Final answer
    x = 5,839,745.02

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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.