Home / 18,782,601.20-28,173,901.80-9,199,458.80

Finding the Fourth Proportional to 18,782,601.20, 28,173,901.80 and 9,199,458.80

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Solution

The fourth proportional to 18,782,601.20, 28,173,901.80 and 9,199,458.80 is: 13,799,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,601.20 : 28,173,901.80 = 9,199,458.80 : x
  2. Step 2: Convert to fraction form
    18,782,601.20/28,173,901.80 = 9,199,458.80/x
  3. Step 3: Cross multiply
    18,782,601.20x = 28,173,901.80 × 9,199,458.80
  4. Step 4: Simplify right side
    18,782,601.20x = 259,184,648,844,345.88
  5. Step 5: Solve for x
    x = 259,184,648,844,345.88/18,782,601.20
  6. Step 6: Final answer
    x = 13,799,188.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.