Home / 9,378,679.55-12,942,577.77-5,086,327.55

Finding the Fourth Proportional to 9,378,679.55, 12,942,577.77 and 5,086,327.55

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Solution

The fourth proportional to 9,378,679.55, 12,942,577.77 and 5,086,327.55 is: 7,019,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378,679.55 : 12,942,577.77 = 5,086,327.55 : x
  2. Step 2: Convert to fraction form
    9,378,679.55/12,942,577.77 = 5,086,327.55/x
  3. Step 3: Cross multiply
    9,378,679.55x = 12,942,577.77 × 5,086,327.55
  4. Step 4: Simplify right side
    9,378,679.55x = 65,830,189,879,568.56
  5. Step 5: Solve for x
    x = 65,830,189,879,568.56/9,378,679.55
  6. Step 6: Final answer
    x = 7,019,132.01

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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.