Home / 12,797,768.40-19,175,393.88-9,003,279.12

Finding the Fourth Proportional to 12,797,768.40, 19,175,393.88 and 9,003,279.12

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Solution

The fourth proportional to 12,797,768.40, 19,175,393.88 and 9,003,279.12 is: 13,489,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,768.40 : 19,175,393.88 = 9,003,279.12 : x
  2. Step 2: Convert to fraction form
    12,797,768.40/19,175,393.88 = 9,003,279.12/x
  3. Step 3: Cross multiply
    12,797,768.40x = 19,175,393.88 × 9,003,279.12
  4. Step 4: Simplify right side
    12,797,768.40x = 172,641,423,337,579.75
  5. Step 5: Solve for x
    x = 172,641,423,337,579.75/12,797,768.40
  6. Step 6: Final answer
    x = 13,489,963.09

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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.