Home / 12,972,291.62-19,344,022.19-12,855,504.90

Finding the Fourth Proportional to 12,972,291.62, 19,344,022.19 and 12,855,504.90

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Solution

The fourth proportional to 12,972,291.62, 19,344,022.19 and 12,855,504.90 is: 19,169,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972,291.62 : 19,344,022.19 = 12,855,504.90 : x
  2. Step 2: Convert to fraction form
    12,972,291.62/19,344,022.19 = 12,855,504.90/x
  3. Step 3: Cross multiply
    12,972,291.62x = 19,344,022.19 × 12,855,504.90
  4. Step 4: Simplify right side
    12,972,291.62x = 248,677,172,105,724.44
  5. Step 5: Solve for x
    x = 248,677,172,105,724.44/12,972,291.62
  6. Step 6: Final answer
    x = 19,169,872.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.