Home / 12,923,755.92-17,837,429.70-7,699,824.30

Finding the Fourth Proportional to 12,923,755.92, 17,837,429.70 and 7,699,824.30

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Solution

The fourth proportional to 12,923,755.92, 17,837,429.70 and 7,699,824.30 is: 10,627,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,755.92 : 17,837,429.70 = 7,699,824.30 : x
  2. Step 2: Convert to fraction form
    12,923,755.92/17,837,429.70 = 7,699,824.30/x
  3. Step 3: Cross multiply
    12,923,755.92x = 17,837,429.70 × 7,699,824.30
  4. Step 4: Simplify right side
    12,923,755.92x = 137,345,074,653,601.70
  5. Step 5: Solve for x
    x = 137,345,074,653,601.70/12,923,755.92
  6. Step 6: Final answer
    x = 10,627,334.31

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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.