Home / 20,302,702.92-30,441,889.08-6,463,680.84

Finding the Fourth Proportional to 20,302,702.92, 30,441,889.08 and 6,463,680.84

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Solution

The fourth proportional to 20,302,702.92, 30,441,889.08 and 6,463,680.84 is: 9,691,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302,702.92 : 30,441,889.08 = 6,463,680.84 : x
  2. Step 2: Convert to fraction form
    20,302,702.92/30,441,889.08 = 6,463,680.84/x
  3. Step 3: Cross multiply
    20,302,702.92x = 30,441,889.08 × 6,463,680.84
  4. Step 4: Simplify right side
    20,302,702.92x = 196,766,655,179,801.22
  5. Step 5: Solve for x
    x = 196,766,655,179,801.22/20,302,702.92
  6. Step 6: Final answer
    x = 9,691,648.25

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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.