Home / 13,634,664.12-20,451,972.06-7,950,902.76

Finding the Fourth Proportional to 13,634,664.12, 20,451,972.06 and 7,950,902.76

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Solution

The fourth proportional to 13,634,664.12, 20,451,972.06 and 7,950,902.76 is: 11,926,340.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634,664.12 : 20,451,972.06 = 7,950,902.76 : x
  2. Step 2: Convert to fraction form
    13,634,664.12/20,451,972.06 = 7,950,902.76/x
  3. Step 3: Cross multiply
    13,634,664.12x = 20,451,972.06 × 7,950,902.76
  4. Step 4: Simplify right side
    13,634,664.12x = 162,611,641,099,296.88
  5. Step 5: Solve for x
    x = 162,611,641,099,296.88/13,634,664.12
  6. Step 6: Final answer
    x = 11,926,340.07

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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.