Home / 18,088,556.40-27,124,540.20-7,985,977.20

Finding the Fourth Proportional to 18,088,556.40, 27,124,540.20 and 7,985,977.20

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Solution

The fourth proportional to 18,088,556.40, 27,124,540.20 and 7,985,977.20 is: 11,975,303.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088,556.40 : 27,124,540.20 = 7,985,977.20 : x
  2. Step 2: Convert to fraction form
    18,088,556.40/27,124,540.20 = 7,985,977.20/x
  3. Step 3: Cross multiply
    18,088,556.40x = 27,124,540.20 × 7,985,977.20
  4. Step 4: Simplify right side
    18,088,556.40x = 216,615,959,597,683.44
  5. Step 5: Solve for x
    x = 216,615,959,597,683.44/18,088,556.40
  6. Step 6: Final answer
    x = 11,975,303.88

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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.