Home / 20,514,853.50-30,722,966.22-11,734,520.52

Finding the Fourth Proportional to 20,514,853.50, 30,722,966.22 and 11,734,520.52

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Solution

The fourth proportional to 20,514,853.50, 30,722,966.22 and 11,734,520.52 is: 17,573,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,853.50 : 30,722,966.22 = 11,734,520.52 : x
  2. Step 2: Convert to fraction form
    20,514,853.50/30,722,966.22 = 11,734,520.52/x
  3. Step 3: Cross multiply
    20,514,853.50x = 30,722,966.22 × 11,734,520.52
  4. Step 4: Simplify right side
    20,514,853.50x = 360,519,277,543,856.81
  5. Step 5: Solve for x
    x = 360,519,277,543,856.81/20,514,853.50
  6. Step 6: Final answer
    x = 17,573,573.10

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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.