Home / 11,190,828.70-16,786,243.05-8,356,476.70

Finding the Fourth Proportional to 11,190,828.70, 16,786,243.05 and 8,356,476.70

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Solution

The fourth proportional to 11,190,828.70, 16,786,243.05 and 8,356,476.70 is: 12,534,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190,828.70 : 16,786,243.05 = 8,356,476.70 : x
  2. Step 2: Convert to fraction form
    11,190,828.70/16,786,243.05 = 8,356,476.70/x
  3. Step 3: Cross multiply
    11,190,828.70x = 16,786,243.05 × 8,356,476.70
  4. Step 4: Simplify right side
    11,190,828.70x = 140,273,848,927,861.94
  5. Step 5: Solve for x
    x = 140,273,848,927,861.94/11,190,828.70
  6. Step 6: Final answer
    x = 12,534,715.05

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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.