Home / 13,111,542.80-19,667,314.20-8,065,696.40

Finding the Fourth Proportional to 13,111,542.80, 19,667,314.20 and 8,065,696.40

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Solution

The fourth proportional to 13,111,542.80, 19,667,314.20 and 8,065,696.40 is: 12,098,544.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,111,542.80 : 19,667,314.20 = 8,065,696.40 : x
  2. Step 2: Convert to fraction form
    13,111,542.80/19,667,314.20 = 8,065,696.40/x
  3. Step 3: Cross multiply
    13,111,542.80x = 19,667,314.20 × 8,065,696.40
  4. Step 4: Simplify right side
    13,111,542.80x = 158,630,585,340,608.88
  5. Step 5: Solve for x
    x = 158,630,585,340,608.88/13,111,542.80
  6. Step 6: Final answer
    x = 12,098,544.60

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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.