Home / 18,474,488.53-25,489,194.48-12,892,586.56

Finding the Fourth Proportional to 18,474,488.53, 25,489,194.48 and 12,892,586.56

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Solution

The fourth proportional to 18,474,488.53, 25,489,194.48 and 12,892,586.56 is: 17,787,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474,488.53 : 25,489,194.48 = 12,892,586.56 : x
  2. Step 2: Convert to fraction form
    18,474,488.53/25,489,194.48 = 12,892,586.56/x
  3. Step 3: Cross multiply
    18,474,488.53x = 25,489,194.48 × 12,892,586.56
  4. Step 4: Simplify right side
    18,474,488.53x = 328,621,646,114,351.19
  5. Step 5: Solve for x
    x = 328,621,646,114,351.19/18,474,488.53
  6. Step 6: Final answer
    x = 17,787,861.66

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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.