Home / 19,765,636.38-27,276,856.72-11,388,376.26

Finding the Fourth Proportional to 19,765,636.38, 27,276,856.72 and 11,388,376.26

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Solution

The fourth proportional to 19,765,636.38, 27,276,856.72 and 11,388,376.26 is: 15,716,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,636.38 : 27,276,856.72 = 11,388,376.26 : x
  2. Step 2: Convert to fraction form
    19,765,636.38/27,276,856.72 = 11,388,376.26/x
  3. Step 3: Cross multiply
    19,765,636.38x = 27,276,856.72 × 11,388,376.26
  4. Step 4: Simplify right side
    19,765,636.38x = 310,639,107,488,998.56
  5. Step 5: Solve for x
    x = 310,639,107,488,998.56/19,765,636.38
  6. Step 6: Final answer
    x = 15,716,119.71

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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.