Home / 13,719,986.49-18,933,914.66-7,525,287.12

Finding the Fourth Proportional to 13,719,986.49, 18,933,914.66 and 7,525,287.12

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Solution

The fourth proportional to 13,719,986.49, 18,933,914.66 and 7,525,287.12 is: 10,385,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719,986.49 : 18,933,914.66 = 7,525,287.12 : x
  2. Step 2: Convert to fraction form
    13,719,986.49/18,933,914.66 = 7,525,287.12/x
  3. Step 3: Cross multiply
    13,719,986.49x = 18,933,914.66 × 7,525,287.12
  4. Step 4: Simplify right side
    13,719,986.49x = 142,483,144,084,450.75
  5. Step 5: Solve for x
    x = 142,483,144,084,450.75/13,719,986.49
  6. Step 6: Final answer
    x = 10,385,079.04

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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.