Home / 19,765,609.38-27,276,819.51-11,388,349.28

Finding the Fourth Proportional to 19,765,609.38, 27,276,819.51 and 11,388,349.28

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Solution

The fourth proportional to 19,765,609.38, 27,276,819.51 and 11,388,349.28 is: 15,716,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,609.38 : 27,276,819.51 = 11,388,349.28 : x
  2. Step 2: Convert to fraction form
    19,765,609.38/27,276,819.51 = 11,388,349.28/x
  3. Step 3: Cross multiply
    19,765,609.38x = 27,276,819.51 × 11,388,349.28
  4. Step 4: Simplify right side
    19,765,609.38x = 310,637,947,797,507.69
  5. Step 5: Solve for x
    x = 310,637,947,797,507.69/19,765,609.38
  6. Step 6: Final answer
    x = 15,716,082.51

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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.