Home / 15,497,751.92-21,387,094.38-8,529,231.80

Finding the Fourth Proportional to 15,497,751.92, 21,387,094.38 and 8,529,231.80

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Solution

The fourth proportional to 15,497,751.92, 21,387,094.38 and 8,529,231.80 is: 11,770,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,751.92 : 21,387,094.38 = 8,529,231.80 : x
  2. Step 2: Convert to fraction form
    15,497,751.92/21,387,094.38 = 8,529,231.80/x
  3. Step 3: Cross multiply
    15,497,751.92x = 21,387,094.38 × 8,529,231.80
  4. Step 4: Simplify right side
    15,497,751.92x = 182,415,485,548,965.03
  5. Step 5: Solve for x
    x = 182,415,485,548,965.03/15,497,751.92
  6. Step 6: Final answer
    x = 11,770,448.16

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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.