Home / 15,394,828.64-21,131,698.21-13,613,467.93

Finding the Fourth Proportional to 15,394,828.64, 21,131,698.21 and 13,613,467.93

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Solution

The fourth proportional to 15,394,828.64, 21,131,698.21 and 13,613,467.93 is: 18,686,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,394,828.64 : 21,131,698.21 = 13,613,467.93 : x
  2. Step 2: Convert to fraction form
    15,394,828.64/21,131,698.21 = 13,613,467.93/x
  3. Step 3: Cross multiply
    15,394,828.64x = 21,131,698.21 × 13,613,467.93
  4. Step 4: Simplify right side
    15,394,828.64x = 287,675,695,801,410.50
  5. Step 5: Solve for x
    x = 287,675,695,801,410.50/15,394,828.64
  6. Step 6: Final answer
    x = 18,686,514.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.