Home / 13,327,519.86-19,991,279.78-3,230,140.86

Finding the Fourth Proportional to 13,327,519.86, 19,991,279.78 and 3,230,140.86

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Solution

The fourth proportional to 13,327,519.86, 19,991,279.78 and 3,230,140.86 is: 4,845,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327,519.86 : 19,991,279.78 = 3,230,140.86 : x
  2. Step 2: Convert to fraction form
    13,327,519.86/19,991,279.78 = 3,230,140.86/x
  3. Step 3: Cross multiply
    13,327,519.86x = 19,991,279.78 × 3,230,140.86
  4. Step 4: Simplify right side
    13,327,519.86x = 64,574,649,661,069.81
  5. Step 5: Solve for x
    x = 64,574,649,661,069.81/13,327,519.86
  6. Step 6: Final answer
    x = 4,845,211.29

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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.