Home / 18,531,142.12-27,669,964.37-16,599,583.72

Finding the Fourth Proportional to 18,531,142.12, 27,669,964.37 and 16,599,583.72

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Solution

The fourth proportional to 18,531,142.12, 27,669,964.37 and 16,599,583.72 is: 24,785,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,142.12 : 27,669,964.37 = 16,599,583.72 : x
  2. Step 2: Convert to fraction form
    18,531,142.12/27,669,964.37 = 16,599,583.72/x
  3. Step 3: Cross multiply
    18,531,142.12x = 27,669,964.37 × 16,599,583.72
  4. Step 4: Simplify right side
    18,531,142.12x = 459,309,890,089,232.06
  5. Step 5: Solve for x
    x = 459,309,890,089,232.06/18,531,142.12
  6. Step 6: Final answer
    x = 24,785,838.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.