Home / 15,514,970.53-21,410,658.31-8,992,383.39

Finding the Fourth Proportional to 15,514,970.53, 21,410,658.31 and 8,992,383.39

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Solution

The fourth proportional to 15,514,970.53, 21,410,658.31 and 8,992,383.39 is: 12,409,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514,970.53 : 21,410,658.31 = 8,992,383.39 : x
  2. Step 2: Convert to fraction form
    15,514,970.53/21,410,658.31 = 8,992,383.39/x
  3. Step 3: Cross multiply
    15,514,970.53x = 21,410,658.31 × 8,992,383.39
  4. Step 4: Simplify right side
    15,514,970.53x = 192,532,848,102,615.03
  5. Step 5: Solve for x
    x = 192,532,848,102,615.03/15,514,970.53
  6. Step 6: Final answer
    x = 12,409,488.49

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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.