Home / 7,378,195.64-11,066,462.19-1,987,240.64

Finding the Fourth Proportional to 7,378,195.64, 11,066,462.19 and 1,987,240.64

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Solution

The fourth proportional to 7,378,195.64, 11,066,462.19 and 1,987,240.64 is: 2,980,637.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,195.64 : 11,066,462.19 = 1,987,240.64 : x
  2. Step 2: Convert to fraction form
    7,378,195.64/11,066,462.19 = 1,987,240.64/x
  3. Step 3: Cross multiply
    7,378,195.64x = 11,066,462.19 × 1,987,240.64
  4. Step 4: Simplify right side
    7,378,195.64x = 21,991,723,349,659.09
  5. Step 5: Solve for x
    x = 21,991,723,349,659.09/7,378,195.64
  6. Step 6: Final answer
    x = 2,980,637.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.