Home / 30,407,382.28-41,962,865.13-17,354,379.38

Finding the Fourth Proportional to 30,407,382.28, 41,962,865.13 and 17,354,379.38

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Solution

The fourth proportional to 30,407,382.28, 41,962,865.13 and 17,354,379.38 is: 23,949,430.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,407,382.28 : 41,962,865.13 = 17,354,379.38 : x
  2. Step 2: Convert to fraction form
    30,407,382.28/41,962,865.13 = 17,354,379.38/x
  3. Step 3: Cross multiply
    30,407,382.28x = 41,962,865.13 × 17,354,379.38
  4. Step 4: Simplify right side
    30,407,382.28x = 728,239,481,251,021.12
  5. Step 5: Solve for x
    x = 728,239,481,251,021.12/30,407,382.28
  6. Step 6: Final answer
    x = 23,949,430.26

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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.