Home / 20,257,318.86-27,955,096.56-10,964,887.08

Finding the Fourth Proportional to 20,257,318.86, 27,955,096.56 and 10,964,887.08

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Solution

The fourth proportional to 20,257,318.86, 27,955,096.56 and 10,964,887.08 is: 15,131,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,318.86 : 27,955,096.56 = 10,964,887.08 : x
  2. Step 2: Convert to fraction form
    20,257,318.86/27,955,096.56 = 10,964,887.08/x
  3. Step 3: Cross multiply
    20,257,318.86x = 27,955,096.56 × 10,964,887.08
  4. Step 4: Simplify right side
    20,257,318.86x = 306,524,477,090,896.44
  5. Step 5: Solve for x
    x = 306,524,477,090,896.44/20,257,318.86
  6. Step 6: Final answer
    x = 15,131,542.29

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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.