Home / 13,311,570.09-18,236,763.83-12,813,795.24

Finding the Fourth Proportional to 13,311,570.09, 18,236,763.83 and 12,813,795.24

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Solution

The fourth proportional to 13,311,570.09, 18,236,763.83 and 12,813,795.24 is: 17,554,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,570.09 : 18,236,763.83 = 12,813,795.24 : x
  2. Step 2: Convert to fraction form
    13,311,570.09/18,236,763.83 = 12,813,795.24/x
  3. Step 3: Cross multiply
    13,311,570.09x = 18,236,763.83 × 12,813,795.24
  4. Step 4: Simplify right side
    13,311,570.09x = 233,682,157,493,789.19
  5. Step 5: Solve for x
    x = 233,682,157,493,789.19/13,311,570.09
  6. Step 6: Final answer
    x = 17,554,815.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.