Home / 12,179,768.82-16,805,944.70-6,950,389.38

Finding the Fourth Proportional to 12,179,768.82, 16,805,944.70 and 6,950,389.38

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Solution

The fourth proportional to 12,179,768.82, 16,805,944.70 and 6,950,389.38 is: 9,590,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,768.82 : 16,805,944.70 = 6,950,389.38 : x
  2. Step 2: Convert to fraction form
    12,179,768.82/16,805,944.70 = 6,950,389.38/x
  3. Step 3: Cross multiply
    12,179,768.82x = 16,805,944.70 × 6,950,389.38
  4. Step 4: Simplify right side
    12,179,768.82x = 116,807,859,563,747.28
  5. Step 5: Solve for x
    x = 116,807,859,563,747.28/12,179,768.82
  6. Step 6: Final answer
    x = 9,590,318.28

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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.