Home / 20,157,466.62-27,819,665.53-11,456,947.08

Finding the Fourth Proportional to 20,157,466.62, 27,819,665.53 and 11,456,947.08

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Solution

The fourth proportional to 20,157,466.62, 27,819,665.53 and 11,456,947.08 is: 15,811,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,466.62 : 27,819,665.53 = 11,456,947.08 : x
  2. Step 2: Convert to fraction form
    20,157,466.62/27,819,665.53 = 11,456,947.08/x
  3. Step 3: Cross multiply
    20,157,466.62x = 27,819,665.53 × 11,456,947.08
  4. Step 4: Simplify right side
    20,157,466.62x = 318,728,435,670,507.56
  5. Step 5: Solve for x
    x = 318,728,435,670,507.56/20,157,466.62
  6. Step 6: Final answer
    x = 15,811,929.23

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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.