Home / 9,117,704.22-13,654,639-5,215,334.02

Finding the Fourth Proportional to 9,117,704.22, 13,654,639 and 5,215,334.02

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Solution

The fourth proportional to 9,117,704.22, 13,654,639 and 5,215,334.02 is: 7,810,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,704.22 : 13,654,639 = 5,215,334.02 : x
  2. Step 2: Convert to fraction form
    9,117,704.22/13,654,639 = 5,215,334.02/x
  3. Step 3: Cross multiply
    9,117,704.22x = 13,654,639 × 5,215,334.02
  4. Step 4: Simplify right side
    9,117,704.22x = 71,213,503,307,518.78
  5. Step 5: Solve for x
    x = 71,213,503,307,518.78/9,117,704.22
  6. Step 6: Final answer
    x = 7,810,464.30

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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.