Home / 18,346,418.80-25,318,074.12-10,086,621.60

Finding the Fourth Proportional to 18,346,418.80, 25,318,074.12 and 10,086,621.60

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Solution

The fourth proportional to 18,346,418.80, 25,318,074.12 and 10,086,621.60 is: 13,919,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,418.80 : 25,318,074.12 = 10,086,621.60 : x
  2. Step 2: Convert to fraction form
    18,346,418.80/25,318,074.12 = 10,086,621.60/x
  3. Step 3: Cross multiply
    18,346,418.80x = 25,318,074.12 × 10,086,621.60
  4. Step 4: Simplify right side
    18,346,418.80x = 255,373,833,289,193
  5. Step 5: Solve for x
    x = 255,373,833,289,193/18,346,418.80
  6. Step 6: Final answer
    x = 13,919,546.70

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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.