Home / 18,620,086.55-27,893,814.48-10,508,525.42

Finding the Fourth Proportional to 18,620,086.55, 27,893,814.48 and 10,508,525.42

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Solution

The fourth proportional to 18,620,086.55, 27,893,814.48 and 10,508,525.42 is: 15,742,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,086.55 : 27,893,814.48 = 10,508,525.42 : x
  2. Step 2: Convert to fraction form
    18,620,086.55/27,893,814.48 = 10,508,525.42/x
  3. Step 3: Cross multiply
    18,620,086.55x = 27,893,814.48 × 10,508,525.42
  4. Step 4: Simplify right side
    18,620,086.55x = 293,122,858,384,375
  5. Step 5: Solve for x
    x = 293,122,858,384,375/18,620,086.55
  6. Step 6: Final answer
    x = 15,742,293.02

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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.