Home / 9,079,992.72-13,621,981.68-2,690,745.12

Finding the Fourth Proportional to 9,079,992.72, 13,621,981.68 and 2,690,745.12

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Solution

The fourth proportional to 9,079,992.72, 13,621,981.68 and 2,690,745.12 is: 4,036,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079,992.72 : 13,621,981.68 = 2,690,745.12 : x
  2. Step 2: Convert to fraction form
    9,079,992.72/13,621,981.68 = 2,690,745.12/x
  3. Step 3: Cross multiply
    9,079,992.72x = 13,621,981.68 × 2,690,745.12
  4. Step 4: Simplify right side
    9,079,992.72x = 36,653,280,730,189.40
  5. Step 5: Solve for x
    x = 36,653,280,730,189.40/9,079,992.72
  6. Step 6: Final answer
    x = 4,036,708.16

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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.