Home / 13,410,142.12-18,505,996.02-7,298,614.36

Finding the Fourth Proportional to 13,410,142.12, 18,505,996.02 and 7,298,614.36

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Solution

The fourth proportional to 13,410,142.12, 18,505,996.02 and 7,298,614.36 is: 10,072,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,142.12 : 18,505,996.02 = 7,298,614.36 : x
  2. Step 2: Convert to fraction form
    13,410,142.12/18,505,996.02 = 7,298,614.36/x
  3. Step 3: Cross multiply
    13,410,142.12x = 18,505,996.02 × 7,298,614.36
  4. Step 4: Simplify right side
    13,410,142.12x = 135,068,128,297,674.84
  5. Step 5: Solve for x
    x = 135,068,128,297,674.84/13,410,142.12
  6. Step 6: Final answer
    x = 10,072,087.76

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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.