Home / 13,194,655.25-18,207,705.69-7,314,232.91

Finding the Fourth Proportional to 13,194,655.25, 18,207,705.69 and 7,314,232.91

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Solution

The fourth proportional to 13,194,655.25, 18,207,705.69 and 7,314,232.91 is: 10,093,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,655.25 : 18,207,705.69 = 7,314,232.91 : x
  2. Step 2: Convert to fraction form
    13,194,655.25/18,207,705.69 = 7,314,232.91/x
  3. Step 3: Cross multiply
    13,194,655.25x = 18,207,705.69 × 7,314,232.91
  4. Step 4: Simplify right side
    13,194,655.25x = 133,175,400,082,353.75
  5. Step 5: Solve for x
    x = 133,175,400,082,353.75/13,194,655.25
  6. Step 6: Final answer
    x = 10,093,132.23

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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.