Home / 13,424,892.08-18,525,861.14-8,206,639.81

Finding the Fourth Proportional to 13,424,892.08, 18,525,861.14 and 8,206,639.81

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Solution

The fourth proportional to 13,424,892.08, 18,525,861.14 and 8,206,639.81 is: 11,324,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424,892.08 : 18,525,861.14 = 8,206,639.81 : x
  2. Step 2: Convert to fraction form
    13,424,892.08/18,525,861.14 = 8,206,639.81/x
  3. Step 3: Cross multiply
    13,424,892.08x = 18,525,861.14 × 8,206,639.81
  4. Step 4: Simplify right side
    13,424,892.08x = 152,035,069,458,708.16
  5. Step 5: Solve for x
    x = 152,035,069,458,708.16/13,424,892.08
  6. Step 6: Final answer
    x = 11,324,863.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.