Home / 8,219,578.32-12,329,113.24-3,904,734.64

Finding the Fourth Proportional to 8,219,578.32, 12,329,113.24 and 3,904,734.64

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Solution

The fourth proportional to 8,219,578.32, 12,329,113.24 and 3,904,734.64 is: 5,856,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,578.32 : 12,329,113.24 = 3,904,734.64 : x
  2. Step 2: Convert to fraction form
    8,219,578.32/12,329,113.24 = 3,904,734.64/x
  3. Step 3: Cross multiply
    8,219,578.32x = 12,329,113.24 × 3,904,734.64
  4. Step 4: Simplify right side
    8,219,578.32x = 48,141,915,548,710.63
  5. Step 5: Solve for x
    x = 48,141,915,548,710.63/8,219,578.32
  6. Step 6: Final answer
    x = 5,856,981.18

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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.