Home / 20,242,264.60-27,935,022.78-11,074,907.80

Finding the Fourth Proportional to 20,242,264.60, 27,935,022.78 and 11,074,907.80

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Solution

The fourth proportional to 20,242,264.60, 27,935,022.78 and 11,074,907.80 is: 15,283,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,264.60 : 27,935,022.78 = 11,074,907.80 : x
  2. Step 2: Convert to fraction form
    20,242,264.60/27,935,022.78 = 11,074,907.80/x
  3. Step 3: Cross multiply
    20,242,264.60x = 27,935,022.78 × 11,074,907.80
  4. Step 4: Simplify right side
    20,242,264.60x = 309,377,801,679,399.69
  5. Step 5: Solve for x
    x = 309,377,801,679,399.69/20,242,264.60
  6. Step 6: Final answer
    x = 15,283,754.45

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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.