Home / 13,237,409.20-18,268,405.04-9,968,456.56

Finding the Fourth Proportional to 13,237,409.20, 18,268,405.04 and 9,968,456.56

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Solution

The fourth proportional to 13,237,409.20, 18,268,405.04 and 9,968,456.56 is: 13,757,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,409.20 : 18,268,405.04 = 9,968,456.56 : x
  2. Step 2: Convert to fraction form
    13,237,409.20/18,268,405.04 = 9,968,456.56/x
  3. Step 3: Cross multiply
    13,237,409.20x = 18,268,405.04 × 9,968,456.56
  4. Step 4: Simplify right side
    13,237,409.20x = 182,107,802,061,725.06
  5. Step 5: Solve for x
    x = 182,107,802,061,725.06/13,237,409.20
  6. Step 6: Final answer
    x = 13,757,057.69

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1.5x scale

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.