Home / 15,491,718.08-21,377,074.08-8,964,048.32

Finding the Fourth Proportional to 15,491,718.08, 21,377,074.08 and 8,964,048.32

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Solution

The fourth proportional to 15,491,718.08, 21,377,074.08 and 8,964,048.32 is: 12,369,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491,718.08 : 21,377,074.08 = 8,964,048.32 : x
  2. Step 2: Convert to fraction form
    15,491,718.08/21,377,074.08 = 8,964,048.32/x
  3. Step 3: Cross multiply
    15,491,718.08x = 21,377,074.08 × 8,964,048.32
  4. Step 4: Simplify right side
    15,491,718.08x = 191,625,124,993,339.53
  5. Step 5: Solve for x
    x = 191,625,124,993,339.53/15,491,718.08
  6. Step 6: Final answer
    x = 12,369,520.54

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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.