Home / 9,086,836.20-13,630,254.30-8,289,674.70

Finding the Fourth Proportional to 9,086,836.20, 13,630,254.30 and 8,289,674.70

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Solution

The fourth proportional to 9,086,836.20, 13,630,254.30 and 8,289,674.70 is: 12,434,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,086,836.20 : 13,630,254.30 = 8,289,674.70 : x
  2. Step 2: Convert to fraction form
    9,086,836.20/13,630,254.30 = 8,289,674.70/x
  3. Step 3: Cross multiply
    9,086,836.20x = 13,630,254.30 × 8,289,674.70
  4. Step 4: Simplify right side
    9,086,836.20x = 112,990,374,225,276.22
  5. Step 5: Solve for x
    x = 112,990,374,225,276.22/9,086,836.20
  6. Step 6: Final answer
    x = 12,434,512.05

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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.