Home / 31,675,471.45-43,712,150.61-17,188,783.45

Finding the Fourth Proportional to 31,675,471.45, 43,712,150.61 and 17,188,783.45

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Solution

The fourth proportional to 31,675,471.45, 43,712,150.61 and 17,188,783.45 is: 23,720,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,471.45 : 43,712,150.61 = 17,188,783.45 : x
  2. Step 2: Convert to fraction form
    31,675,471.45/43,712,150.61 = 17,188,783.45/x
  3. Step 3: Cross multiply
    31,675,471.45x = 43,712,150.61 × 17,188,783.45
  4. Step 4: Simplify right side
    31,675,471.45x = 751,358,691,025,112.12
  5. Step 5: Solve for x
    x = 751,358,691,025,112.12/31,675,471.45
  6. Step 6: Final answer
    x = 23,720,521.17

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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.