Home / 15,751,464.48-21,737,021.76-8,508,120.48

Finding the Fourth Proportional to 15,751,464.48, 21,737,021.76 and 8,508,120.48

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Solution

The fourth proportional to 15,751,464.48, 21,737,021.76 and 8,508,120.48 is: 11,741,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751,464.48 : 21,737,021.76 = 8,508,120.48 : x
  2. Step 2: Convert to fraction form
    15,751,464.48/21,737,021.76 = 8,508,120.48/x
  3. Step 3: Cross multiply
    15,751,464.48x = 21,737,021.76 × 8,508,120.48
  4. Step 4: Simplify right side
    15,751,464.48x = 184,941,200,010,461.66
  5. Step 5: Solve for x
    x = 184,941,200,010,461.66/15,751,464.48
  6. Step 6: Final answer
    x = 11,741,206.68

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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.