Home / 13,726,361.71-18,942,727.77-7,531,406.77

Finding the Fourth Proportional to 13,726,361.71, 18,942,727.77 and 7,531,406.77

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Solution

The fourth proportional to 13,726,361.71, 18,942,727.77 and 7,531,406.77 is: 10,393,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,361.71 : 18,942,727.77 = 7,531,406.77 : x
  2. Step 2: Convert to fraction form
    13,726,361.71/18,942,727.77 = 7,531,406.77/x
  3. Step 3: Cross multiply
    13,726,361.71x = 18,942,727.77 × 7,531,406.77
  4. Step 4: Simplify right side
    13,726,361.71x = 142,665,388,072,361.91
  5. Step 5: Solve for x
    x = 142,665,388,072,361.91/13,726,361.71
  6. Step 6: Final answer
    x = 10,393,532.61

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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.