Home / 12,836,238.87-19,260,586.14-5,646,838.61

Finding the Fourth Proportional to 12,836,238.87, 19,260,586.14 and 5,646,838.61

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Solution

The fourth proportional to 12,836,238.87, 19,260,586.14 and 5,646,838.61 is: 8,472,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836,238.87 : 19,260,586.14 = 5,646,838.61 : x
  2. Step 2: Convert to fraction form
    12,836,238.87/19,260,586.14 = 5,646,838.61/x
  3. Step 3: Cross multiply
    12,836,238.87x = 19,260,586.14 × 5,646,838.61
  4. Step 4: Simplify right side
    12,836,238.87x = 108,761,421,404,314.30
  5. Step 5: Solve for x
    x = 108,761,421,404,314.30/12,836,238.87
  6. Step 6: Final answer
    x = 8,472,997.62

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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.