Home / 15,404,743.73-21,259,210.50-8,529,225.79

Finding the Fourth Proportional to 15,404,743.73, 21,259,210.50 and 8,529,225.79

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Solution

The fourth proportional to 15,404,743.73, 21,259,210.50 and 8,529,225.79 is: 11,770,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,743.73 : 21,259,210.50 = 8,529,225.79 : x
  2. Step 2: Convert to fraction form
    15,404,743.73/21,259,210.50 = 8,529,225.79/x
  3. Step 3: Cross multiply
    15,404,743.73x = 21,259,210.50 × 8,529,225.79
  4. Step 4: Simplify right side
    15,404,743.73x = 181,324,606,322,696.62
  5. Step 5: Solve for x
    x = 181,324,606,322,696.62/15,404,743.73
  6. Step 6: Final answer
    x = 11,770,699.31

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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.