Home / 14,777,138.25-20,393,711.82-8,252,028.90

Finding the Fourth Proportional to 14,777,138.25, 20,393,711.82 and 8,252,028.90

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Solution

The fourth proportional to 14,777,138.25, 20,393,711.82 and 8,252,028.90 is: 11,388,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777,138.25 : 20,393,711.82 = 8,252,028.90 : x
  2. Step 2: Convert to fraction form
    14,777,138.25/20,393,711.82 = 8,252,028.90/x
  3. Step 3: Cross multiply
    14,777,138.25x = 20,393,711.82 × 8,252,028.90
  4. Step 4: Simplify right side
    14,777,138.25x = 168,289,499,316,911.59
  5. Step 5: Solve for x
    x = 168,289,499,316,911.59/14,777,138.25
  6. Step 6: Final answer
    x = 11,388,504.08

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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.