Home / 20,058,568.74-27,680,048.64-10,891,001.70

Finding the Fourth Proportional to 20,058,568.74, 27,680,048.64 and 10,891,001.70

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Solution

The fourth proportional to 20,058,568.74, 27,680,048.64 and 10,891,001.70 is: 15,029,160.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058,568.74 : 27,680,048.64 = 10,891,001.70 : x
  2. Step 2: Convert to fraction form
    20,058,568.74/27,680,048.64 = 10,891,001.70/x
  3. Step 3: Cross multiply
    20,058,568.74x = 27,680,048.64 × 10,891,001.70
  4. Step 4: Simplify right side
    20,058,568.74x = 301,463,456,794,322.69
  5. Step 5: Solve for x
    x = 301,463,456,794,322.69/20,058,568.74
  6. Step 6: Final answer
    x = 15,029,160.89

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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.