Home / 20,942,290.36-31,413,824.34-6,565,036.60

Finding the Fourth Proportional to 20,942,290.36, 31,413,824.34 and 6,565,036.60

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Solution

The fourth proportional to 20,942,290.36, 31,413,824.34 and 6,565,036.60 is: 9,847,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,290.36 : 31,413,824.34 = 6,565,036.60 : x
  2. Step 2: Convert to fraction form
    20,942,290.36/31,413,824.34 = 6,565,036.60/x
  3. Step 3: Cross multiply
    20,942,290.36x = 31,413,824.34 × 6,565,036.60
  4. Step 4: Simplify right side
    20,942,290.36x = 206,232,906,538,070.84
  5. Step 5: Solve for x
    x = 206,232,906,538,070.84/20,942,290.36
  6. Step 6: Final answer
    x = 9,847,676.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.