Home / 11,787,961.56-16,267,034.70-7,144,494.04

Finding the Fourth Proportional to 11,787,961.56, 16,267,034.70 and 7,144,494.04

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Solution

The fourth proportional to 11,787,961.56, 16,267,034.70 and 7,144,494.04 is: 9,859,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,961.56 : 16,267,034.70 = 7,144,494.04 : x
  2. Step 2: Convert to fraction form
    11,787,961.56/16,267,034.70 = 7,144,494.04/x
  3. Step 3: Cross multiply
    11,787,961.56x = 16,267,034.70 × 7,144,494.04
  4. Step 4: Simplify right side
    11,787,961.56x = 116,219,732,462,623.19
  5. Step 5: Solve for x
    x = 116,219,732,462,623.19/11,787,961.56
  6. Step 6: Final answer
    x = 9,859,188.28

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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.