Home / 8,718,208.20-13,077,804.24-2,653,137.72

Finding the Fourth Proportional to 8,718,208.20, 13,077,804.24 and 2,653,137.72

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Solution

The fourth proportional to 8,718,208.20, 13,077,804.24 and 2,653,137.72 is: 3,979,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,208.20 : 13,077,804.24 = 2,653,137.72 : x
  2. Step 2: Convert to fraction form
    8,718,208.20/13,077,804.24 = 2,653,137.72/x
  3. Step 3: Cross multiply
    8,718,208.20x = 13,077,804.24 × 2,653,137.72
  4. Step 4: Simplify right side
    8,718,208.20x = 34,697,215,723,919.94
  5. Step 5: Solve for x
    x = 34,697,215,723,919.94/8,718,208.20
  6. Step 6: Final answer
    x = 3,979,856.29

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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.