Home / 12,476,540.40-18,700,295.40-5,745,634.80

Finding the Fourth Proportional to 12,476,540.40, 18,700,295.40 and 5,745,634.80

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Solution

The fourth proportional to 12,476,540.40, 18,700,295.40 and 5,745,634.80 is: 8,611,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,540.40 : 18,700,295.40 = 5,745,634.80 : x
  2. Step 2: Convert to fraction form
    12,476,540.40/18,700,295.40 = 5,745,634.80/x
  3. Step 3: Cross multiply
    12,476,540.40x = 18,700,295.40 × 5,745,634.80
  4. Step 4: Simplify right side
    12,476,540.40x = 107,445,068,020,519.91
  5. Step 5: Solve for x
    x = 107,445,068,020,519.91/12,476,540.40
  6. Step 6: Final answer
    x = 8,611,767.73

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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.