Home / 12,513,859-17,269,125.42-6,790,723

Finding the Fourth Proportional to 12,513,859, 17,269,125.42 and 6,790,723

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Solution

The fourth proportional to 12,513,859, 17,269,125.42 and 6,790,723 is: 9,371,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,859 : 17,269,125.42 = 6,790,723 : x
  2. Step 2: Convert to fraction form
    12,513,859/17,269,125.42 = 6,790,723/x
  3. Step 3: Cross multiply
    12,513,859x = 17,269,125.42 × 6,790,723
  4. Step 4: Simplify right side
    12,513,859x = 117,269,847,179,478.67
  5. Step 5: Solve for x
    x = 117,269,847,179,478.67/12,513,859
  6. Step 6: Final answer
    x = 9,371,197.74

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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.