Home / 12,134,492.20-18,201,738.30-3,498,575.95

Finding the Fourth Proportional to 12,134,492.20, 18,201,738.30 and 3,498,575.95

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Solution

The fourth proportional to 12,134,492.20, 18,201,738.30 and 3,498,575.95 is: 5,247,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,492.20 : 18,201,738.30 = 3,498,575.95 : x
  2. Step 2: Convert to fraction form
    12,134,492.20/18,201,738.30 = 3,498,575.95/x
  3. Step 3: Cross multiply
    12,134,492.20x = 18,201,738.30 × 3,498,575.95
  4. Step 4: Simplify right side
    12,134,492.20x = 63,680,163,864,573.89
  5. Step 5: Solve for x
    x = 63,680,163,864,573.89/12,134,492.20
  6. Step 6: Final answer
    x = 5,247,863.93

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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.