Home / 27,009,318.97-40,513,917.84-20,870,228.17

Finding the Fourth Proportional to 27,009,318.97, 40,513,917.84 and 20,870,228.17

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Solution

The fourth proportional to 27,009,318.97, 40,513,917.84 and 20,870,228.17 is: 31,305,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009,318.97 : 40,513,917.84 = 20,870,228.17 : x
  2. Step 2: Convert to fraction form
    27,009,318.97/40,513,917.84 = 20,870,228.17/x
  3. Step 3: Cross multiply
    27,009,318.97x = 40,513,917.84 × 20,870,228.17
  4. Step 4: Simplify right side
    27,009,318.97x = 845,534,709,471,207.75
  5. Step 5: Solve for x
    x = 845,534,709,471,207.75/27,009,318.97
  6. Step 6: Final answer
    x = 31,305,295.42

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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.