Home / 12,513,770.50-17,269,003.29-6,790,634.50

Finding the Fourth Proportional to 12,513,770.50, 17,269,003.29 and 6,790,634.50

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Solution

The fourth proportional to 12,513,770.50, 17,269,003.29 and 6,790,634.50 is: 9,371,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513,770.50 : 17,269,003.29 = 6,790,634.50 : x
  2. Step 2: Convert to fraction form
    12,513,770.50/17,269,003.29 = 6,790,634.50/x
  3. Step 3: Cross multiply
    12,513,770.50x = 17,269,003.29 × 6,790,634.50
  4. Step 4: Simplify right side
    12,513,770.50x = 117,267,489,521,687.50
  5. Step 5: Solve for x
    x = 117,267,489,521,687.50/12,513,770.50
  6. Step 6: Final answer
    x = 9,371,075.61

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1.5x scale

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.