Home / 12,379,832.40-18,534,319.20-10,962,656.40

Finding the Fourth Proportional to 12,379,832.40, 18,534,319.20 and 10,962,656.40

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Solution

The fourth proportional to 12,379,832.40, 18,534,319.20 and 10,962,656.40 is: 16,412,610.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,832.40 : 18,534,319.20 = 10,962,656.40 : x
  2. Step 2: Convert to fraction form
    12,379,832.40/18,534,319.20 = 10,962,656.40/x
  3. Step 3: Cross multiply
    12,379,832.40x = 18,534,319.20 × 10,962,656.40
  4. Step 4: Simplify right side
    12,379,832.40x = 203,185,372,997,522.88
  5. Step 5: Solve for x
    x = 203,185,372,997,522.88/12,379,832.40
  6. Step 6: Final answer
    x = 16,412,610.97

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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.