Home / 13,514,886.28-18,635,597.94-8,612,342.38

Finding the Fourth Proportional to 13,514,886.28, 18,635,597.94 and 8,612,342.38

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Solution

The fourth proportional to 13,514,886.28, 18,635,597.94 and 8,612,342.38 is: 11,875,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,886.28 : 18,635,597.94 = 8,612,342.38 : x
  2. Step 2: Convert to fraction form
    13,514,886.28/18,635,597.94 = 8,612,342.38/x
  3. Step 3: Cross multiply
    13,514,886.28x = 18,635,597.94 × 8,612,342.38
  4. Step 4: Simplify right side
    13,514,886.28x = 160,496,149,915,302.72
  5. Step 5: Solve for x
    x = 160,496,149,915,302.72/13,514,886.28
  6. Step 6: Final answer
    x = 11,875,508.72

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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.