Home / 20,180,857.70-30,271,286.55-14,122,430.30

Finding the Fourth Proportional to 20,180,857.70, 30,271,286.55 and 14,122,430.30

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Solution

The fourth proportional to 20,180,857.70, 30,271,286.55 and 14,122,430.30 is: 21,183,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,857.70 : 30,271,286.55 = 14,122,430.30 : x
  2. Step 2: Convert to fraction form
    20,180,857.70/30,271,286.55 = 14,122,430.30/x
  3. Step 3: Cross multiply
    20,180,857.70x = 30,271,286.55 × 14,122,430.30
  4. Step 4: Simplify right side
    20,180,857.70x = 427,504,134,393,702.50
  5. Step 5: Solve for x
    x = 427,504,134,393,702.50/20,180,857.70
  6. Step 6: Final answer
    x = 21,183,645.45

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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.