Home / 17,021,745.20-25,549,206.60-8,511,690.80

Finding the Fourth Proportional to 17,021,745.20, 25,549,206.60 and 8,511,690.80

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Solution

The fourth proportional to 17,021,745.20, 25,549,206.60 and 8,511,690.80 is: 12,775,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021,745.20 : 25,549,206.60 = 8,511,690.80 : x
  2. Step 2: Convert to fraction form
    17,021,745.20/25,549,206.60 = 8,511,690.80/x
  3. Step 3: Cross multiply
    17,021,745.20x = 25,549,206.60 × 8,511,690.80
  4. Step 4: Simplify right side
    17,021,745.20x = 217,466,946,764,519.31
  5. Step 5: Solve for x
    x = 217,466,946,764,519.31/17,021,745.20
  6. Step 6: Final answer
    x = 12,775,831.40

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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.