Home / 8,077,209.20-12,115,813.80-5,809,727.60

Finding the Fourth Proportional to 8,077,209.20, 12,115,813.80 and 5,809,727.60

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Solution

The fourth proportional to 8,077,209.20, 12,115,813.80 and 5,809,727.60 is: 8,714,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077,209.20 : 12,115,813.80 = 5,809,727.60 : x
  2. Step 2: Convert to fraction form
    8,077,209.20/12,115,813.80 = 5,809,727.60/x
  3. Step 3: Cross multiply
    8,077,209.20x = 12,115,813.80 × 5,809,727.60
  4. Step 4: Simplify right side
    8,077,209.20x = 70,389,577,830,320.88
  5. Step 5: Solve for x
    x = 70,389,577,830,320.88/8,077,209.20
  6. Step 6: Final answer
    x = 8,714,591.40

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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.