Home / 20,790,669.25-31,188,934.43-6,414,905.89

Finding the Fourth Proportional to 20,790,669.25, 31,188,934.43 and 6,414,905.89

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Solution

The fourth proportional to 20,790,669.25, 31,188,934.43 and 6,414,905.89 is: 9,623,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790,669.25 : 31,188,934.43 = 6,414,905.89 : x
  2. Step 2: Convert to fraction form
    20,790,669.25/31,188,934.43 = 6,414,905.89/x
  3. Step 3: Cross multiply
    20,790,669.25x = 31,188,934.43 × 6,414,905.89
  4. Step 4: Simplify right side
    20,790,669.25x = 200,074,079,177,830.78
  5. Step 5: Solve for x
    x = 200,074,079,177,830.78/20,790,669.25
  6. Step 6: Final answer
    x = 9,623,263.05

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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.