Home / 15,514,968.07-21,410,654.90-8,992,380.91

Finding the Fourth Proportional to 15,514,968.07, 21,410,654.90 and 8,992,380.91

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Solution

The fourth proportional to 15,514,968.07, 21,410,654.90 and 8,992,380.91 is: 12,409,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514,968.07 : 21,410,654.90 = 8,992,380.91 : x
  2. Step 2: Convert to fraction form
    15,514,968.07/21,410,654.90 = 8,992,380.91/x
  3. Step 3: Cross multiply
    15,514,968.07x = 21,410,654.90 × 8,992,380.91
  4. Step 4: Simplify right side
    15,514,968.07x = 192,532,764,393,357.94
  5. Step 5: Solve for x
    x = 192,532,764,393,357.94/15,514,968.07
  6. Step 6: Final answer
    x = 12,409,485.05

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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.