Home / 20,151,374.88-27,808,072.56-10,983,816.48

Finding the Fourth Proportional to 20,151,374.88, 27,808,072.56 and 10,983,816.48

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Solution

The fourth proportional to 20,151,374.88, 27,808,072.56 and 10,983,816.48 is: 15,157,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,151,374.88 : 27,808,072.56 = 10,983,816.48 : x
  2. Step 2: Convert to fraction form
    20,151,374.88/27,808,072.56 = 10,983,816.48/x
  3. Step 3: Cross multiply
    20,151,374.88x = 27,808,072.56 × 10,983,816.48
  4. Step 4: Simplify right side
    20,151,374.88x = 305,438,765,661,563.81
  5. Step 5: Solve for x
    x = 305,438,765,661,563.81/20,151,374.88
  6. Step 6: Final answer
    x = 15,157,217.19

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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.