Home / 13,005,868.26-17,947,863.30-7,204,632.06

Finding the Fourth Proportional to 13,005,868.26, 17,947,863.30 and 7,204,632.06

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Solution

The fourth proportional to 13,005,868.26, 17,947,863.30 and 7,204,632.06 is: 9,942,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,005,868.26 : 17,947,863.30 = 7,204,632.06 : x
  2. Step 2: Convert to fraction form
    13,005,868.26/17,947,863.30 = 7,204,632.06/x
  3. Step 3: Cross multiply
    13,005,868.26x = 17,947,863.30 × 7,204,632.06
  4. Step 4: Simplify right side
    13,005,868.26x = 129,307,751,339,677.39
  5. Step 5: Solve for x
    x = 129,307,751,339,677.39/13,005,868.26
  6. Step 6: Final answer
    x = 9,942,262.12

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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.