Home / 21,085,469.80-31,628,049.18-5,939,065.96

Finding the Fourth Proportional to 21,085,469.80, 31,628,049.18 and 5,939,065.96

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Solution

The fourth proportional to 21,085,469.80, 31,628,049.18 and 5,939,065.96 is: 8,908,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,469.80 : 31,628,049.18 = 5,939,065.96 : x
  2. Step 2: Convert to fraction form
    21,085,469.80/31,628,049.18 = 5,939,065.96/x
  3. Step 3: Cross multiply
    21,085,469.80x = 31,628,049.18 × 5,939,065.96
  4. Step 4: Simplify right side
    21,085,469.80x = 187,841,070,266,143.91
  5. Step 5: Solve for x
    x = 187,841,070,266,143.91/21,085,469.80
  6. Step 6: Final answer
    x = 8,908,555.14

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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.