Home / 9,117,455.70-13,676,183.55-8,235,657.30

Finding the Fourth Proportional to 9,117,455.70, 13,676,183.55 and 8,235,657.30

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Solution

The fourth proportional to 9,117,455.70, 13,676,183.55 and 8,235,657.30 is: 12,353,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,455.70 : 13,676,183.55 = 8,235,657.30 : x
  2. Step 2: Convert to fraction form
    9,117,455.70/13,676,183.55 = 8,235,657.30/x
  3. Step 3: Cross multiply
    9,117,455.70x = 13,676,183.55 × 8,235,657.30
  4. Step 4: Simplify right side
    9,117,455.70x = 112,632,360,889,697.42
  5. Step 5: Solve for x
    x = 112,632,360,889,697.42/9,117,455.70
  6. Step 6: Final answer
    x = 12,353,485.95

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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.