Home / 14,777,135.25-20,393,707.68-8,252,025.90

Finding the Fourth Proportional to 14,777,135.25, 20,393,707.68 and 8,252,025.90

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Solution

The fourth proportional to 14,777,135.25, 20,393,707.68 and 8,252,025.90 is: 11,388,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777,135.25 : 20,393,707.68 = 8,252,025.90 : x
  2. Step 2: Convert to fraction form
    14,777,135.25/20,393,707.68 = 8,252,025.90/x
  3. Step 3: Cross multiply
    14,777,135.25x = 20,393,707.68 × 8,252,025.90
  4. Step 4: Simplify right side
    14,777,135.25x = 168,289,403,972,388.91
  5. Step 5: Solve for x
    x = 168,289,403,972,388.91/14,777,135.25
  6. Step 6: Final answer
    x = 11,388,499.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.