Home / 14,001,245.20-21,004,200.60-5,481,859.60

Finding the Fourth Proportional to 14,001,245.20, 21,004,200.60 and 5,481,859.60

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Solution

The fourth proportional to 14,001,245.20, 21,004,200.60 and 5,481,859.60 is: 8,223,702.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,245.20 : 21,004,200.60 = 5,481,859.60 : x
  2. Step 2: Convert to fraction form
    14,001,245.20/21,004,200.60 = 5,481,859.60/x
  3. Step 3: Cross multiply
    14,001,245.20x = 21,004,200.60 × 5,481,859.60
  4. Step 4: Simplify right side
    14,001,245.20x = 115,142,078,699,435.77
  5. Step 5: Solve for x
    x = 115,142,078,699,435.77/14,001,245.20
  6. Step 6: Final answer
    x = 8,223,702.75

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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.