Home / 20,635,399.28-30,953,787.42-9,275,881.52

Finding the Fourth Proportional to 20,635,399.28, 30,953,787.42 and 9,275,881.52

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Solution

The fourth proportional to 20,635,399.28, 30,953,787.42 and 9,275,881.52 is: 13,914,131.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,635,399.28 : 30,953,787.42 = 9,275,881.52 : x
  2. Step 2: Convert to fraction form
    20,635,399.28/30,953,787.42 = 9,275,881.52/x
  3. Step 3: Cross multiply
    20,635,399.28x = 30,953,787.42 × 9,275,881.52
  4. Step 4: Simplify right side
    20,635,399.28x = 287,123,664,703,186.50
  5. Step 5: Solve for x
    x = 287,123,664,703,186.50/20,635,399.28
  6. Step 6: Final answer
    x = 13,914,131.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.