Home / 20,738,323.80-28,614,306.60-12,031,453.92

Finding the Fourth Proportional to 20,738,323.80, 28,614,306.60 and 12,031,453.92

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Solution

The fourth proportional to 20,738,323.80, 28,614,306.60 and 12,031,453.92 is: 16,600,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,323.80 : 28,614,306.60 = 12,031,453.92 : x
  2. Step 2: Convert to fraction form
    20,738,323.80/28,614,306.60 = 12,031,453.92/x
  3. Step 3: Cross multiply
    20,738,323.80x = 28,614,306.60 × 12,031,453.92
  4. Step 4: Simplify right side
    20,738,323.80x = 344,271,711,310,651.88
  5. Step 5: Solve for x
    x = 344,271,711,310,651.88/20,738,323.80
  6. Step 6: Final answer
    x = 16,600,749.16

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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.