Home / 12,660,009.24-18,967,181.49-7,793,846.76

Finding the Fourth Proportional to 12,660,009.24, 18,967,181.49 and 7,793,846.76

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Solution

The fourth proportional to 12,660,009.24, 18,967,181.49 and 7,793,846.76 is: 11,676,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,660,009.24 : 18,967,181.49 = 7,793,846.76 : x
  2. Step 2: Convert to fraction form
    12,660,009.24/18,967,181.49 = 7,793,846.76/x
  3. Step 3: Cross multiply
    12,660,009.24x = 18,967,181.49 × 7,793,846.76
  4. Step 4: Simplify right side
    12,660,009.24x = 147,827,306,002,168.47
  5. Step 5: Solve for x
    x = 147,827,306,002,168.47/12,660,009.24
  6. Step 6: Final answer
    x = 11,676,713.91

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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.