Home / 15,433,418.06-21,298,409.79-8,463,654.09

Finding the Fourth Proportional to 15,433,418.06, 21,298,409.79 and 8,463,654.09

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Solution

The fourth proportional to 15,433,418.06, 21,298,409.79 and 8,463,654.09 is: 11,680,003.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,433,418.06 : 21,298,409.79 = 8,463,654.09 : x
  2. Step 2: Convert to fraction form
    15,433,418.06/21,298,409.79 = 8,463,654.09/x
  3. Step 3: Cross multiply
    15,433,418.06x = 21,298,409.79 × 8,463,654.09
  4. Step 4: Simplify right side
    15,433,418.06x = 180,262,373,129,629.53
  5. Step 5: Solve for x
    x = 180,262,373,129,629.53/15,433,418.06
  6. Step 6: Final answer
    x = 11,680,003.25

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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.