Home / 12,806,866.46-17,673,897.26-7,005,515.45

Finding the Fourth Proportional to 12,806,866.46, 17,673,897.26 and 7,005,515.45

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Solution

The fourth proportional to 12,806,866.46, 17,673,897.26 and 7,005,515.45 is: 9,667,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,866.46 : 17,673,897.26 = 7,005,515.45 : x
  2. Step 2: Convert to fraction form
    12,806,866.46/17,673,897.26 = 7,005,515.45/x
  3. Step 3: Cross multiply
    12,806,866.46x = 17,673,897.26 × 7,005,515.45
  4. Step 4: Simplify right side
    12,806,866.46x = 123,814,760,245,786.97
  5. Step 5: Solve for x
    x = 123,814,760,245,786.97/12,806,866.46
  6. Step 6: Final answer
    x = 9,667,841.90

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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.