Home / 6,930,116.09-10,394,379.89-1,813,039.77

Finding the Fourth Proportional to 6,930,116.09, 10,394,379.89 and 1,813,039.77

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Solution

The fourth proportional to 6,930,116.09, 10,394,379.89 and 1,813,039.77 is: 2,719,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930,116.09 : 10,394,379.89 = 1,813,039.77 : x
  2. Step 2: Convert to fraction form
    6,930,116.09/10,394,379.89 = 1,813,039.77/x
  3. Step 3: Cross multiply
    6,930,116.09x = 10,394,379.89 × 1,813,039.77
  4. Step 4: Simplify right side
    6,930,116.09x = 18,845,424,171,969.20
  5. Step 5: Solve for x
    x = 18,845,424,171,969.20/6,930,116.09
  6. Step 6: Final answer
    x = 2,719,351.87

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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.