Home / 13,471,290.70-20,206,936.05-6,651,131.20

Finding the Fourth Proportional to 13,471,290.70, 20,206,936.05 and 6,651,131.20

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Solution

The fourth proportional to 13,471,290.70, 20,206,936.05 and 6,651,131.20 is: 9,976,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,290.70 : 20,206,936.05 = 6,651,131.20 : x
  2. Step 2: Convert to fraction form
    13,471,290.70/20,206,936.05 = 6,651,131.20/x
  3. Step 3: Cross multiply
    13,471,290.70x = 20,206,936.05 × 6,651,131.20
  4. Step 4: Simplify right side
    13,471,290.70x = 134,398,982,818,559.77
  5. Step 5: Solve for x
    x = 134,398,982,818,559.77/13,471,290.70
  6. Step 6: Final answer
    x = 9,976,696.80

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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.