Home / 12,203,956.32-18,334,518.56-11,514,548.31

Finding the Fourth Proportional to 12,203,956.32, 18,334,518.56 and 11,514,548.31

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Solution

The fourth proportional to 12,203,956.32, 18,334,518.56 and 11,514,548.31 is: 17,298,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,956.32 : 18,334,518.56 = 11,514,548.31 : x
  2. Step 2: Convert to fraction form
    12,203,956.32/18,334,518.56 = 11,514,548.31/x
  3. Step 3: Cross multiply
    12,203,956.32x = 18,334,518.56 × 11,514,548.31
  4. Step 4: Simplify right side
    12,203,956.32x = 211,113,699,699,711.62
  5. Step 5: Solve for x
    x = 211,113,699,699,711.62/12,203,956.32
  6. Step 6: Final answer
    x = 17,298,791.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.