Home / 20,207,410.74-27,886,238.01-10,914,980.76

Finding the Fourth Proportional to 20,207,410.74, 27,886,238.01 and 10,914,980.76

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Solution

The fourth proportional to 20,207,410.74, 27,886,238.01 and 10,914,980.76 is: 15,062,679.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,410.74 : 27,886,238.01 = 10,914,980.76 : x
  2. Step 2: Convert to fraction form
    20,207,410.74/27,886,238.01 = 10,914,980.76/x
  3. Step 3: Cross multiply
    20,207,410.74x = 27,886,238.01 × 10,914,980.76
  4. Step 4: Simplify right side
    20,207,410.74x = 304,377,751,347,930.69
  5. Step 5: Solve for x
    x = 304,377,751,347,930.69/20,207,410.74
  6. Step 6: Final answer
    x = 15,062,679.49

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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.