Home / 20,514,705.20-30,772,057.80-18,530,658.80

Finding the Fourth Proportional to 20,514,705.20, 30,772,057.80 and 18,530,658.80

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Solution

The fourth proportional to 20,514,705.20, 30,772,057.80 and 18,530,658.80 is: 27,795,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,514,705.20 : 30,772,057.80 = 18,530,658.80 : x
  2. Step 2: Convert to fraction form
    20,514,705.20/30,772,057.80 = 18,530,658.80/x
  3. Step 3: Cross multiply
    20,514,705.20x = 30,772,057.80 × 18,530,658.80
  4. Step 4: Simplify right side
    20,514,705.20x = 570,226,503,665,678.62
  5. Step 5: Solve for x
    x = 570,226,503,665,678.62/20,514,705.20
  6. Step 6: Final answer
    x = 27,795,988.20

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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.