Home / 7,149,126.69-9,865,864.94-3,885,939.41

Finding the Fourth Proportional to 7,149,126.69, 9,865,864.94 and 3,885,939.41

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Solution

The fourth proportional to 7,149,126.69, 9,865,864.94 and 3,885,939.41 is: 5,362,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,126.69 : 9,865,864.94 = 3,885,939.41 : x
  2. Step 2: Convert to fraction form
    7,149,126.69/9,865,864.94 = 3,885,939.41/x
  3. Step 3: Cross multiply
    7,149,126.69x = 9,865,864.94 × 3,885,939.41
  4. Step 4: Simplify right side
    7,149,126.69x = 38,338,153,315,324.27
  5. Step 5: Solve for x
    x = 38,338,153,315,324.27/7,149,126.69
  6. Step 6: Final answer
    x = 5,362,634.48

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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.