Home / 11,209,727.40-16,814,591.10-8,499,378.30

Finding the Fourth Proportional to 11,209,727.40, 16,814,591.10 and 8,499,378.30

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Solution

The fourth proportional to 11,209,727.40, 16,814,591.10 and 8,499,378.30 is: 12,749,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209,727.40 : 16,814,591.10 = 8,499,378.30 : x
  2. Step 2: Convert to fraction form
    11,209,727.40/16,814,591.10 = 8,499,378.30/x
  3. Step 3: Cross multiply
    11,209,727.40x = 16,814,591.10 × 8,499,378.30
  4. Step 4: Simplify right side
    11,209,727.40x = 142,913,570,718,713.16
  5. Step 5: Solve for x
    x = 142,913,570,718,713.16/11,209,727.40
  6. Step 6: Final answer
    x = 12,749,067.45

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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.