Home / 12,324,791.09-17,008,713.03-6,818,071.28

Finding the Fourth Proportional to 12,324,791.09, 17,008,713.03 and 6,818,071.28

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Solution

The fourth proportional to 12,324,791.09, 17,008,713.03 and 6,818,071.28 is: 9,409,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,791.09 : 17,008,713.03 = 6,818,071.28 : x
  2. Step 2: Convert to fraction form
    12,324,791.09/17,008,713.03 = 6,818,071.28/x
  3. Step 3: Cross multiply
    12,324,791.09x = 17,008,713.03 × 6,818,071.28
  4. Step 4: Simplify right side
    12,324,791.09x = 115,966,617,819,604.80
  5. Step 5: Solve for x
    x = 115,966,617,819,604.80/12,324,791.09
  6. Step 6: Final answer
    x = 9,409,215.70

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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.