Home / 13,431,540.07-18,533,255.99-7,550,390.89

Finding the Fourth Proportional to 13,431,540.07, 18,533,255.99 and 7,550,390.89

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Solution

The fourth proportional to 13,431,540.07, 18,533,255.99 and 7,550,390.89 is: 10,418,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,540.07 : 18,533,255.99 = 7,550,390.89 : x
  2. Step 2: Convert to fraction form
    13,431,540.07/18,533,255.99 = 7,550,390.89/x
  3. Step 3: Cross multiply
    13,431,540.07x = 18,533,255.99 × 7,550,390.89
  4. Step 4: Simplify right side
    13,431,540.07x = 139,933,327,188,933.91
  5. Step 5: Solve for x
    x = 139,933,327,188,933.91/13,431,540.07
  6. Step 6: Final answer
    x = 10,418,263.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.