Home / 20,965,658.19-31,432,478.44-6,580,403.25

Finding the Fourth Proportional to 20,965,658.19, 31,432,478.44 and 6,580,403.25

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Solution

The fourth proportional to 20,965,658.19, 31,432,478.44 and 6,580,403.25 is: 9,865,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,965,658.19 : 31,432,478.44 = 6,580,403.25 : x
  2. Step 2: Convert to fraction form
    20,965,658.19/31,432,478.44 = 6,580,403.25/x
  3. Step 3: Cross multiply
    20,965,658.19x = 31,432,478.44 × 6,580,403.25
  4. Step 4: Simplify right side
    20,965,658.19x = 206,838,383,160,146.38
  5. Step 5: Solve for x
    x = 206,838,383,160,146.38/20,965,658.19
  6. Step 6: Final answer
    x = 9,865,580.24

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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.