Home / 10,661,640-14,713,063.20-5,766,861.84

Finding the Fourth Proportional to 10,661,640, 14,713,063.20 and 5,766,861.84

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Solution

The fourth proportional to 10,661,640, 14,713,063.20 and 5,766,861.84 is: 7,958,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,640 : 14,713,063.20 = 5,766,861.84 : x
  2. Step 2: Convert to fraction form
    10,661,640/14,713,063.20 = 5,766,861.84/x
  3. Step 3: Cross multiply
    10,661,640x = 14,713,063.20 × 5,766,861.84
  4. Step 4: Simplify right side
    10,661,640x = 84,848,202,717,588.28
  5. Step 5: Solve for x
    x = 84,848,202,717,588.28/10,661,640
  6. Step 6: Final answer
    x = 7,958,269.34

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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.