Home / 8,353,856.80-12,530,785.20-2,674,266.40

Finding the Fourth Proportional to 8,353,856.80, 12,530,785.20 and 2,674,266.40

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Solution

The fourth proportional to 8,353,856.80, 12,530,785.20 and 2,674,266.40 is: 4,011,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353,856.80 : 12,530,785.20 = 2,674,266.40 : x
  2. Step 2: Convert to fraction form
    8,353,856.80/12,530,785.20 = 2,674,266.40/x
  3. Step 3: Cross multiply
    8,353,856.80x = 12,530,785.20 × 2,674,266.40
  4. Step 4: Simplify right side
    8,353,856.80x = 33,510,657,825,977.28
  5. Step 5: Solve for x
    x = 33,510,657,825,977.28/8,353,856.80
  6. Step 6: Final answer
    x = 4,011,399.60

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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.