Home / 18,208,178.68-27,294,516.36-7,275,109.20

Finding the Fourth Proportional to 18,208,178.68, 27,294,516.36 and 7,275,109.20

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Solution

The fourth proportional to 18,208,178.68, 27,294,516.36 and 7,275,109.20 is: 10,905,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208,178.68 : 27,294,516.36 = 7,275,109.20 : x
  2. Step 2: Convert to fraction form
    18,208,178.68/27,294,516.36 = 7,275,109.20/x
  3. Step 3: Cross multiply
    18,208,178.68x = 27,294,516.36 × 7,275,109.20
  4. Step 4: Simplify right side
    18,208,178.68x = 198,570,587,080,186.50
  5. Step 5: Solve for x
    x = 198,570,587,080,186.50/18,208,178.68
  6. Step 6: Final answer
    x = 10,905,571.09

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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.