Home / 8,756,574.20-13,134,861.30-8,383,326.20

Finding the Fourth Proportional to 8,756,574.20, 13,134,861.30 and 8,383,326.20

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Solution

The fourth proportional to 8,756,574.20, 13,134,861.30 and 8,383,326.20 is: 12,574,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,574.20 : 13,134,861.30 = 8,383,326.20 : x
  2. Step 2: Convert to fraction form
    8,756,574.20/13,134,861.30 = 8,383,326.20/x
  3. Step 3: Cross multiply
    8,756,574.20x = 13,134,861.30 × 8,383,326.20
  4. Step 4: Simplify right side
    8,756,574.20x = 110,113,826,869,656.06
  5. Step 5: Solve for x
    x = 110,113,826,869,656.06/8,756,574.20
  6. Step 6: Final answer
    x = 12,574,989.30

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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.