Home / 15,404,668.74-21,259,107-8,529,150.60

Finding the Fourth Proportional to 15,404,668.74, 21,259,107 and 8,529,150.60

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Solution

The fourth proportional to 15,404,668.74, 21,259,107 and 8,529,150.60 is: 11,770,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,668.74 : 21,259,107 = 8,529,150.60 : x
  2. Step 2: Convert to fraction form
    15,404,668.74/21,259,107 = 8,529,150.60/x
  3. Step 3: Cross multiply
    15,404,668.74x = 21,259,107 × 8,529,150.60
  4. Step 4: Simplify right side
    15,404,668.74x = 181,322,125,224,514.19
  5. Step 5: Solve for x
    x = 181,322,125,224,514.19/15,404,668.74
  6. Step 6: Final answer
    x = 11,770,595.54

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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.