Home / 13,055,375.98-18,012,293.68-7,827,308.74

Finding the Fourth Proportional to 13,055,375.98, 18,012,293.68 and 7,827,308.74

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Solution

The fourth proportional to 13,055,375.98, 18,012,293.68 and 7,827,308.74 is: 10,799,212.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,375.98 : 18,012,293.68 = 7,827,308.74 : x
  2. Step 2: Convert to fraction form
    13,055,375.98/18,012,293.68 = 7,827,308.74/x
  3. Step 3: Cross multiply
    13,055,375.98x = 18,012,293.68 × 7,827,308.74
  4. Step 4: Simplify right side
    13,055,375.98x = 140,987,783,619,712.75
  5. Step 5: Solve for x
    x = 140,987,783,619,712.75/13,055,375.98
  6. Step 6: Final answer
    x = 10,799,212.82

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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.