Home / 12,269,021.37-18,403,475.85-3,170,345.64

Finding the Fourth Proportional to 12,269,021.37, 18,403,475.85 and 3,170,345.64

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Solution

The fourth proportional to 12,269,021.37, 18,403,475.85 and 3,170,345.64 is: 4,755,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,021.37 : 18,403,475.85 = 3,170,345.64 : x
  2. Step 2: Convert to fraction form
    12,269,021.37/18,403,475.85 = 3,170,345.64/x
  3. Step 3: Cross multiply
    12,269,021.37x = 18,403,475.85 × 3,170,345.64
  4. Step 4: Simplify right side
    12,269,021.37x = 58,345,379,421,892.80
  5. Step 5: Solve for x
    x = 58,345,379,421,892.80/12,269,021.37
  6. Step 6: Final answer
    x = 4,755,503.94

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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.