Home / 9,217,992.11-12,718,930.20-5,296,990.88

Finding the Fourth Proportional to 9,217,992.11, 12,718,930.20 and 5,296,990.88

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Solution

The fourth proportional to 9,217,992.11, 12,718,930.20 and 5,296,990.88 is: 7,308,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217,992.11 : 12,718,930.20 = 5,296,990.88 : x
  2. Step 2: Convert to fraction form
    9,217,992.11/12,718,930.20 = 5,296,990.88/x
  3. Step 3: Cross multiply
    9,217,992.11x = 12,718,930.20 × 5,296,990.88
  4. Step 4: Simplify right side
    9,217,992.11x = 67,372,057,209,161.92
  5. Step 5: Solve for x
    x = 67,372,057,209,161.92/9,217,992.11
  6. Step 6: Final answer
    x = 7,308,756.23

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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.