Home / 12,047,777.68-18,078,845.34-4,372,021.06

Finding the Fourth Proportional to 12,047,777.68, 18,078,845.34 and 4,372,021.06

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Solution

The fourth proportional to 12,047,777.68, 18,078,845.34 and 4,372,021.06 is: 6,560,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047,777.68 : 18,078,845.34 = 4,372,021.06 : x
  2. Step 2: Convert to fraction form
    12,047,777.68/18,078,845.34 = 4,372,021.06/x
  3. Step 3: Cross multiply
    12,047,777.68x = 18,078,845.34 × 4,372,021.06
  4. Step 4: Simplify right side
    12,047,777.68x = 79,041,092,566,962.86
  5. Step 5: Solve for x
    x = 79,041,092,566,962.86/12,047,777.68
  6. Step 6: Final answer
    x = 6,560,636.71

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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.