Home / 13,194,656.25-18,207,707.07-7,314,233.91

Finding the Fourth Proportional to 13,194,656.25, 18,207,707.07 and 7,314,233.91

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Solution

The fourth proportional to 13,194,656.25, 18,207,707.07 and 7,314,233.91 is: 10,093,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,656.25 : 18,207,707.07 = 7,314,233.91 : x
  2. Step 2: Convert to fraction form
    13,194,656.25/18,207,707.07 = 7,314,233.91/x
  3. Step 3: Cross multiply
    13,194,656.25x = 18,207,707.07 × 7,314,233.91
  4. Step 4: Simplify right side
    13,194,656.25x = 133,175,428,474,740.75
  5. Step 5: Solve for x
    x = 133,175,428,474,740.75/13,194,656.25
  6. Step 6: Final answer
    x = 10,093,133.61

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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.