Home / 18,104,303.79-27,183,030.17-11,309,829.39

Finding the Fourth Proportional to 18,104,303.79, 27,183,030.17 and 11,309,829.39

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Solution

The fourth proportional to 18,104,303.79, 27,183,030.17 and 11,309,829.39 is: 16,981,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,303.79 : 27,183,030.17 = 11,309,829.39 : x
  2. Step 2: Convert to fraction form
    18,104,303.79/27,183,030.17 = 11,309,829.39/x
  3. Step 3: Cross multiply
    18,104,303.79x = 27,183,030.17 × 11,309,829.39
  4. Step 4: Simplify right side
    18,104,303.79x = 307,435,433,469,373.56
  5. Step 5: Solve for x
    x = 307,435,433,469,373.56/18,104,303.79
  6. Step 6: Final answer
    x = 16,981,345.27

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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.