Home / 12,658,789.80-17,469,138.06-6,857,594.49

Finding the Fourth Proportional to 12,658,789.80, 17,469,138.06 and 6,857,594.49

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Solution

The fourth proportional to 12,658,789.80, 17,469,138.06 and 6,857,594.49 is: 9,463,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,789.80 : 17,469,138.06 = 6,857,594.49 : x
  2. Step 2: Convert to fraction form
    12,658,789.80/17,469,138.06 = 6,857,594.49/x
  3. Step 3: Cross multiply
    12,658,789.80x = 17,469,138.06 × 6,857,594.49
  4. Step 4: Simplify right side
    12,658,789.80x = 119,796,264,905,305.28
  5. Step 5: Solve for x
    x = 119,796,264,905,305.28/12,658,789.80
  6. Step 6: Final answer
    x = 9,463,484.80

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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.