Home / 20,514,833.37-30,722,936.06-11,734,500.42

Finding the Fourth Proportional to 20,514,833.37, 30,722,936.06 and 11,734,500.42

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Solution

The fourth proportional to 20,514,833.37, 30,722,936.06 and 11,734,500.42 is: 17,573,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,833.37 : 30,722,936.06 = 11,734,500.42 : x
  2. Step 2: Convert to fraction form
    20,514,833.37/30,722,936.06 = 11,734,500.42/x
  3. Step 3: Cross multiply
    20,514,833.37x = 30,722,936.06 × 11,734,500.42
  4. Step 4: Simplify right side
    20,514,833.37x = 360,518,306,129,039.38
  5. Step 5: Solve for x
    x = 360,518,306,129,039.38/20,514,833.37
  6. Step 6: Final answer
    x = 17,573,542.99

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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.