Home / 15,341,952.08-21,172,342.73-8,373,076.61

Finding the Fourth Proportional to 15,341,952.08, 21,172,342.73 and 8,373,076.61

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Solution

The fourth proportional to 15,341,952.08, 21,172,342.73 and 8,373,076.61 is: 11,555,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341,952.08 : 21,172,342.73 = 8,373,076.61 : x
  2. Step 2: Convert to fraction form
    15,341,952.08/21,172,342.73 = 8,373,076.61/x
  3. Step 3: Cross multiply
    15,341,952.08x = 21,172,342.73 × 8,373,076.61
  4. Step 4: Simplify right side
    15,341,952.08x = 177,277,647,543,739.47
  5. Step 5: Solve for x
    x = 177,277,647,543,739.47/15,341,952.08
  6. Step 6: Final answer
    x = 11,555,090.68

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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.