Home / 40,094,480.78-55,330,383.47-21,759,766.28

Finding the Fourth Proportional to 40,094,480.78, 55,330,383.47 and 21,759,766.28

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Solution

The fourth proportional to 40,094,480.78, 55,330,383.47 and 21,759,766.28 is: 30,028,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,094,480.78 : 55,330,383.47 = 21,759,766.28 : x
  2. Step 2: Convert to fraction form
    40,094,480.78/55,330,383.47 = 21,759,766.28/x
  3. Step 3: Cross multiply
    40,094,480.78x = 55,330,383.47 × 21,759,766.28
  4. Step 4: Simplify right side
    40,094,480.78x = 1,203,976,212,402,453.75
  5. Step 5: Solve for x
    x = 1,203,976,212,402,453.75/40,094,480.78
  6. Step 6: Final answer
    x = 30,028,477.46

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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.