Home / 13,052,847.48-18,013,249.85-7,172,433.65

Finding the Fourth Proportional to 13,052,847.48, 18,013,249.85 and 7,172,433.65

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Solution

The fourth proportional to 13,052,847.48, 18,013,249.85 and 7,172,433.65 is: 9,898,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,847.48 : 18,013,249.85 = 7,172,433.65 : x
  2. Step 2: Convert to fraction form
    13,052,847.48/18,013,249.85 = 7,172,433.65/x
  3. Step 3: Cross multiply
    13,052,847.48x = 18,013,249.85 × 7,172,433.65
  4. Step 4: Simplify right side
    13,052,847.48x = 129,198,839,244,069.02
  5. Step 5: Solve for x
    x = 129,198,839,244,069.02/13,052,847.48
  6. Step 6: Final answer
    x = 9,898,134.44

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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.