Home / 14,339,245.20-21,446,659.80-12,833,811.60

Finding the Fourth Proportional to 14,339,245.20, 21,446,659.80 and 12,833,811.60

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Solution

The fourth proportional to 14,339,245.20, 21,446,659.80 and 12,833,811.60 is: 19,195,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339,245.20 : 21,446,659.80 = 12,833,811.60 : x
  2. Step 2: Convert to fraction form
    14,339,245.20/21,446,659.80 = 12,833,811.60/x
  3. Step 3: Cross multiply
    14,339,245.20x = 21,446,659.80 × 12,833,811.60
  4. Step 4: Simplify right side
    14,339,245.20x = 275,242,391,322,493.69
  5. Step 5: Solve for x
    x = 275,242,391,322,493.69/14,339,245.20
  6. Step 6: Final answer
    x = 19,195,040.43

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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.