Home / 20,942,296.36-31,413,833.34-6,565,042.60

Finding the Fourth Proportional to 20,942,296.36, 31,413,833.34 and 6,565,042.60

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Solution

The fourth proportional to 20,942,296.36, 31,413,833.34 and 6,565,042.60 is: 9,847,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,296.36 : 31,413,833.34 = 6,565,042.60 : x
  2. Step 2: Convert to fraction form
    20,942,296.36/31,413,833.34 = 6,565,042.60/x
  3. Step 3: Cross multiply
    20,942,296.36x = 31,413,833.34 × 6,565,042.60
  4. Step 4: Simplify right side
    20,942,296.36x = 206,233,154,106,400.28
  5. Step 5: Solve for x
    x = 206,233,154,106,400.28/20,942,296.36
  6. Step 6: Final answer
    x = 9,847,685.78

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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.