Home / 28,149,793.63-42,231,057.42-15,195,666.24

Finding the Fourth Proportional to 28,149,793.63, 42,231,057.42 and 15,195,666.24

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Solution

The fourth proportional to 28,149,793.63, 42,231,057.42 and 15,195,666.24 is: 22,796,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149,793.63 : 42,231,057.42 = 15,195,666.24 : x
  2. Step 2: Convert to fraction form
    28,149,793.63/42,231,057.42 = 15,195,666.24/x
  3. Step 3: Cross multiply
    28,149,793.63x = 42,231,057.42 × 15,195,666.24
  4. Step 4: Simplify right side
    28,149,793.63x = 641,729,053,655,967.50
  5. Step 5: Solve for x
    x = 641,729,053,655,967.50/28,149,793.63
  6. Step 6: Final answer
    x = 22,796,936.35

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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.