Home / 13,578,060.20-20,367,090.30-12,066,405.80

Finding the Fourth Proportional to 13,578,060.20, 20,367,090.30 and 12,066,405.80

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Solution

The fourth proportional to 13,578,060.20, 20,367,090.30 and 12,066,405.80 is: 18,099,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,060.20 : 20,367,090.30 = 12,066,405.80 : x
  2. Step 2: Convert to fraction form
    13,578,060.20/20,367,090.30 = 12,066,405.80/x
  3. Step 3: Cross multiply
    13,578,060.20x = 20,367,090.30 × 12,066,405.80
  4. Step 4: Simplify right side
    13,578,060.20x = 245,757,576,525,043.75
  5. Step 5: Solve for x
    x = 245,757,576,525,043.75/13,578,060.20
  6. Step 6: Final answer
    x = 18,099,608.70

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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.