Home / 12,950,658.80-19,431,431.40-6,960,028.40

Finding the Fourth Proportional to 12,950,658.80, 19,431,431.40 and 6,960,028.40

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Solution

The fourth proportional to 12,950,658.80, 19,431,431.40 and 6,960,028.40 is: 10,442,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,658.80 : 19,431,431.40 = 6,960,028.40 : x
  2. Step 2: Convert to fraction form
    12,950,658.80/19,431,431.40 = 6,960,028.40/x
  3. Step 3: Cross multiply
    12,950,658.80x = 19,431,431.40 × 6,960,028.40
  4. Step 4: Simplify right side
    12,950,658.80x = 135,243,314,396,651.75
  5. Step 5: Solve for x
    x = 135,243,314,396,651.75/12,950,658.80
  6. Step 6: Final answer
    x = 10,442,967.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.