Home / 12,228,782.73-16,875,929.79-6,722,389.66

Finding the Fourth Proportional to 12,228,782.73, 16,875,929.79 and 6,722,389.66

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Solution

The fourth proportional to 12,228,782.73, 16,875,929.79 and 6,722,389.66 is: 9,277,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,782.73 : 16,875,929.79 = 6,722,389.66 : x
  2. Step 2: Convert to fraction form
    12,228,782.73/16,875,929.79 = 6,722,389.66/x
  3. Step 3: Cross multiply
    12,228,782.73x = 16,875,929.79 × 6,722,389.66
  4. Step 4: Simplify right side
    12,228,782.73x = 113,446,575,923,181.97
  5. Step 5: Solve for x
    x = 113,446,575,923,181.97/12,228,782.73
  6. Step 6: Final answer
    x = 9,277,012.96

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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.