Home / 12,658,792.80-17,469,142.20-6,857,597.49

Finding the Fourth Proportional to 12,658,792.80, 17,469,142.20 and 6,857,597.49

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Solution

The fourth proportional to 12,658,792.80, 17,469,142.20 and 6,857,597.49 is: 9,463,488.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,792.80 : 17,469,142.20 = 6,857,597.49 : x
  2. Step 2: Convert to fraction form
    12,658,792.80/17,469,142.20 = 6,857,597.49/x
  3. Step 3: Cross multiply
    12,658,792.80x = 17,469,142.20 × 6,857,597.49
  4. Step 4: Simplify right side
    12,658,792.80x = 119,796,345,703,173.08
  5. Step 5: Solve for x
    x = 119,796,345,703,173.08/12,658,792.80
  6. Step 6: Final answer
    x = 9,463,488.94

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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.