Home / 8,429,148.72-11,632,255.20-4,561,669.20

Finding the Fourth Proportional to 8,429,148.72, 11,632,255.20 and 4,561,669.20

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Solution

The fourth proportional to 8,429,148.72, 11,632,255.20 and 4,561,669.20 is: 6,295,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,148.72 : 11,632,255.20 = 4,561,669.20 : x
  2. Step 2: Convert to fraction form
    8,429,148.72/11,632,255.20 = 4,561,669.20/x
  3. Step 3: Cross multiply
    8,429,148.72x = 11,632,255.20 × 4,561,669.20
  4. Step 4: Simplify right side
    8,429,148.72x = 53,062,500,272,379.84
  5. Step 5: Solve for x
    x = 53,062,500,272,379.84/8,429,148.72
  6. Step 6: Final answer
    x = 6,295,119.71

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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.