Home / 18,147,704.40-27,221,556.60-16,762,021.20

Finding the Fourth Proportional to 18,147,704.40, 27,221,556.60 and 16,762,021.20

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Solution

The fourth proportional to 18,147,704.40, 27,221,556.60 and 16,762,021.20 is: 25,143,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147,704.40 : 27,221,556.60 = 16,762,021.20 : x
  2. Step 2: Convert to fraction form
    18,147,704.40/27,221,556.60 = 16,762,021.20/x
  3. Step 3: Cross multiply
    18,147,704.40x = 27,221,556.60 × 16,762,021.20
  4. Step 4: Simplify right side
    18,147,704.40x = 456,288,308,826,199.94
  5. Step 5: Solve for x
    x = 456,288,308,826,199.94/18,147,704.40
  6. Step 6: Final answer
    x = 25,143,031.80

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1.5x scale

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.