Home / 39,964,255.96-55,150,671.90-21,629,541.28

Finding the Fourth Proportional to 39,964,255.96, 55,150,671.90 and 21,629,541.28

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Solution

The fourth proportional to 39,964,255.96, 55,150,671.90 and 21,629,541.28 is: 29,848,766.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964,255.96 : 55,150,671.90 = 21,629,541.28 : x
  2. Step 2: Convert to fraction form
    39,964,255.96/55,150,671.90 = 21,629,541.28/x
  3. Step 3: Cross multiply
    39,964,255.96x = 55,150,671.90 × 21,629,541.28
  4. Step 4: Simplify right side
    39,964,255.96x = 1,192,883,734,480,786
  5. Step 5: Solve for x
    x = 1,192,883,734,480,786/39,964,255.96
  6. Step 6: Final answer
    x = 29,848,766.25

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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.