Home / 18,800,644.72-28,201,064.38-8,558,341.64

Finding the Fourth Proportional to 18,800,644.72, 28,201,064.38 and 8,558,341.64

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Solution

The fourth proportional to 18,800,644.72, 28,201,064.38 and 8,558,341.64 is: 12,837,556.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,644.72 : 28,201,064.38 = 8,558,341.64 : x
  2. Step 2: Convert to fraction form
    18,800,644.72/28,201,064.38 = 8,558,341.64/x
  3. Step 3: Cross multiply
    18,800,644.72x = 28,201,064.38 × 8,558,341.64
  4. Step 4: Simplify right side
    18,800,644.72x = 241,354,343,575,674.78
  5. Step 5: Solve for x
    x = 241,354,343,575,674.78/18,800,644.72
  6. Step 6: Final answer
    x = 12,837,556.75

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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.