Home / 21,856,807.20-30,162,252.96-12,067,861.44

Finding the Fourth Proportional to 21,856,807.20, 30,162,252.96 and 12,067,861.44

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Solution

The fourth proportional to 21,856,807.20, 30,162,252.96 and 12,067,861.44 is: 16,653,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,807.20 : 30,162,252.96 = 12,067,861.44 : x
  2. Step 2: Convert to fraction form
    21,856,807.20/30,162,252.96 = 12,067,861.44/x
  3. Step 3: Cross multiply
    21,856,807.20x = 30,162,252.96 × 12,067,861.44
  4. Step 4: Simplify right side
    21,856,807.20x = 363,993,889,439,509.88
  5. Step 5: Solve for x
    x = 363,993,889,439,509.88/21,856,807.20
  6. Step 6: Final answer
    x = 16,653,570.95

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1.5x scale

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.