Home / 20,052,424.32-27,672,380.64-10,885,073.28

Finding the Fourth Proportional to 20,052,424.32, 27,672,380.64 and 10,885,073.28

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Solution

The fourth proportional to 20,052,424.32, 27,672,380.64 and 10,885,073.28 is: 15,021,420.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052,424.32 : 27,672,380.64 = 10,885,073.28 : x
  2. Step 2: Convert to fraction form
    20,052,424.32/27,672,380.64 = 10,885,073.28/x
  3. Step 3: Cross multiply
    20,052,424.32x = 27,672,380.64 × 10,885,073.28
  4. Step 4: Simplify right side
    20,052,424.32x = 301,215,891,098,453.31
  5. Step 5: Solve for x
    x = 301,215,891,098,453.31/20,052,424.32
  6. Step 6: Final answer
    x = 15,021,420.17

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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.