Home / 8,856,986.80-13,285,480.20-5,665,716.40

Finding the Fourth Proportional to 8,856,986.80, 13,285,480.20 and 5,665,716.40

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Solution

The fourth proportional to 8,856,986.80, 13,285,480.20 and 5,665,716.40 is: 8,498,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856,986.80 : 13,285,480.20 = 5,665,716.40 : x
  2. Step 2: Convert to fraction form
    8,856,986.80/13,285,480.20 = 5,665,716.40/x
  3. Step 3: Cross multiply
    8,856,986.80x = 13,285,480.20 × 5,665,716.40
  4. Step 4: Simplify right side
    8,856,986.80x = 75,271,763,051,015.28
  5. Step 5: Solve for x
    x = 75,271,763,051,015.28/8,856,986.80
  6. Step 6: Final answer
    x = 8,498,574.60

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Double scale
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Similar ratio
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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.