Home / 21,945,727.08-30,285,591.12-12,526,327.80

Finding the Fourth Proportional to 21,945,727.08, 30,285,591.12 and 12,526,327.80

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Solution

The fourth proportional to 21,945,727.08, 30,285,591.12 and 12,526,327.80 is: 17,286,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945,727.08 : 30,285,591.12 = 12,526,327.80 : x
  2. Step 2: Convert to fraction form
    21,945,727.08/30,285,591.12 = 12,526,327.80/x
  3. Step 3: Cross multiply
    21,945,727.08x = 30,285,591.12 × 12,526,327.80
  4. Step 4: Simplify right side
    21,945,727.08x = 379,367,241,985,889.19
  5. Step 5: Solve for x
    x = 379,367,241,985,889.19/21,945,727.08
  6. Step 6: Final answer
    x = 17,286,610.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.