Home / 10,502,082.20-15,764,933.10-8,116,502.60

Finding the Fourth Proportional to 10,502,082.20, 15,764,933.10 and 8,116,502.60

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Solution

The fourth proportional to 10,502,082.20, 15,764,933.10 and 8,116,502.60 is: 12,183,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,082.20 : 15,764,933.10 = 8,116,502.60 : x
  2. Step 2: Convert to fraction form
    10,502,082.20/15,764,933.10 = 8,116,502.60/x
  3. Step 3: Cross multiply
    10,502,082.20x = 15,764,933.10 × 8,116,502.60
  4. Step 4: Simplify right side
    10,502,082.20x = 127,956,120,494,976.05
  5. Step 5: Solve for x
    x = 127,956,120,494,976.05/10,502,082.20
  6. Step 6: Final answer
    x = 12,183,881.07

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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.