Home / 13,471,710.80-20,207,566.20-8,096,939.60

Finding the Fourth Proportional to 13,471,710.80, 20,207,566.20 and 8,096,939.60

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Solution

The fourth proportional to 13,471,710.80, 20,207,566.20 and 8,096,939.60 is: 12,145,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471,710.80 : 20,207,566.20 = 8,096,939.60 : x
  2. Step 2: Convert to fraction form
    13,471,710.80/20,207,566.20 = 8,096,939.60/x
  3. Step 3: Cross multiply
    13,471,710.80x = 20,207,566.20 × 8,096,939.60
  4. Step 4: Simplify right side
    13,471,710.80x = 163,619,442,984,401.50
  5. Step 5: Solve for x
    x = 163,619,442,984,401.50/13,471,710.80
  6. Step 6: Final answer
    x = 12,145,409.40

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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.