Home / 18,529,380.83-25,555,635.68-16,289,368.89

Finding the Fourth Proportional to 18,529,380.83, 25,555,635.68 and 16,289,368.89

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Solution

The fourth proportional to 18,529,380.83, 25,555,635.68 and 16,289,368.89 is: 22,466,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529,380.83 : 25,555,635.68 = 16,289,368.89 : x
  2. Step 2: Convert to fraction form
    18,529,380.83/25,555,635.68 = 16,289,368.89/x
  3. Step 3: Cross multiply
    18,529,380.83x = 25,555,635.68 × 16,289,368.89
  4. Step 4: Simplify right side
    18,529,380.83x = 416,285,176,728,519.19
  5. Step 5: Solve for x
    x = 416,285,176,728,519.19/18,529,380.83
  6. Step 6: Final answer
    x = 22,466,221.65

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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.