Home / 12,269,722.72-16,930,226-7,112,076.96

Finding the Fourth Proportional to 12,269,722.72, 16,930,226 and 7,112,076.96

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Solution

The fourth proportional to 12,269,722.72, 16,930,226 and 7,112,076.96 is: 9,813,511.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,722.72 : 16,930,226 = 7,112,076.96 : x
  2. Step 2: Convert to fraction form
    12,269,722.72/16,930,226 = 7,112,076.96/x
  3. Step 3: Cross multiply
    12,269,722.72x = 16,930,226 × 7,112,076.96
  4. Step 4: Simplify right side
    12,269,722.72x = 120,409,070,262,192.95
  5. Step 5: Solve for x
    x = 120,409,070,262,192.95/12,269,722.72
  6. Step 6: Final answer
    x = 9,813,511.93

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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.