Home / 18,814,991.68-28,213,357.92-11,036,031.04

Finding the Fourth Proportional to 18,814,991.68, 28,213,357.92 and 11,036,031.04

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Solution

The fourth proportional to 18,814,991.68, 28,213,357.92 and 11,036,031.04 is: 16,548,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814,991.68 : 28,213,357.92 = 11,036,031.04 : x
  2. Step 2: Convert to fraction form
    18,814,991.68/28,213,357.92 = 11,036,031.04/x
  3. Step 3: Cross multiply
    18,814,991.68x = 28,213,357.92 × 11,036,031.04
  4. Step 4: Simplify right side
    18,814,991.68x = 311,363,493,747,749.81
  5. Step 5: Solve for x
    x = 311,363,493,747,749.81/18,814,991.68
  6. Step 6: Final answer
    x = 16,548,691.55

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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.