Home / 15,986,144.64-23,987,090.34-7,465,242.72

Finding the Fourth Proportional to 15,986,144.64, 23,987,090.34 and 7,465,242.72

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Solution

The fourth proportional to 15,986,144.64, 23,987,090.34 and 7,465,242.72 is: 11,201,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,144.64 : 23,987,090.34 = 7,465,242.72 : x
  2. Step 2: Convert to fraction form
    15,986,144.64/23,987,090.34 = 7,465,242.72/x
  3. Step 3: Cross multiply
    15,986,144.64x = 23,987,090.34 × 7,465,242.72
  4. Step 4: Simplify right side
    15,986,144.64x = 179,069,451,534,667.31
  5. Step 5: Solve for x
    x = 179,069,451,534,667.31/15,986,144.64
  6. Step 6: Final answer
    x = 11,201,540.81

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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.