Home / 31,039,192.48-42,836,238.48-18,816,564.64

Finding the Fourth Proportional to 31,039,192.48, 42,836,238.48 and 18,816,564.64

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Solution

The fourth proportional to 31,039,192.48, 42,836,238.48 and 18,816,564.64 is: 25,968,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,039,192.48 : 42,836,238.48 = 18,816,564.64 : x
  2. Step 2: Convert to fraction form
    31,039,192.48/42,836,238.48 = 18,816,564.64/x
  3. Step 3: Cross multiply
    31,039,192.48x = 42,836,238.48 × 18,816,564.64
  4. Step 4: Simplify right side
    31,039,192.48x = 806,030,850,293,375.25
  5. Step 5: Solve for x
    x = 806,030,850,293,375.25/31,039,192.48
  6. Step 6: Final answer
    x = 25,968,164.31

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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.