Home / 12,660,009.72-18,967,182.26-7,793,847.24

Finding the Fourth Proportional to 12,660,009.72, 18,967,182.26 and 7,793,847.24

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Solution

The fourth proportional to 12,660,009.72, 18,967,182.26 and 7,793,847.24 is: 11,676,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,009.72 : 18,967,182.26 = 7,793,847.24 : x
  2. Step 2: Convert to fraction form
    12,660,009.72/18,967,182.26 = 7,793,847.24/x
  3. Step 3: Cross multiply
    12,660,009.72x = 18,967,182.26 × 7,793,847.24
  4. Step 4: Simplify right side
    12,660,009.72x = 147,827,321,107,677.97
  5. Step 5: Solve for x
    x = 147,827,321,107,677.97/12,660,009.72
  6. Step 6: Final answer
    x = 11,676,714.66

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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.