Home / 13,319,259.25-18,380,577.78-7,207,687.75

Finding the Fourth Proportional to 13,319,259.25, 18,380,577.78 and 7,207,687.75

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Solution

The fourth proportional to 13,319,259.25, 18,380,577.78 and 7,207,687.75 is: 9,946,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,259.25 : 18,380,577.78 = 7,207,687.75 : x
  2. Step 2: Convert to fraction form
    13,319,259.25/18,380,577.78 = 7,207,687.75/x
  3. Step 3: Cross multiply
    13,319,259.25x = 18,380,577.78 × 7,207,687.75
  4. Step 4: Simplify right side
    13,319,259.25x = 132,481,465,302,828.20
  5. Step 5: Solve for x
    x = 132,481,465,302,828.20/13,319,259.25
  6. Step 6: Final answer
    x = 9,946,609.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.