Home / 11,880,761.31-16,392,640.45-6,724,122.85

Finding the Fourth Proportional to 11,880,761.31, 16,392,640.45 and 6,724,122.85

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Solution

The fourth proportional to 11,880,761.31, 16,392,640.45 and 6,724,122.85 is: 9,277,699.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,761.31 : 16,392,640.45 = 6,724,122.85 : x
  2. Step 2: Convert to fraction form
    11,880,761.31/16,392,640.45 = 6,724,122.85/x
  3. Step 3: Cross multiply
    11,880,761.31x = 16,392,640.45 × 6,724,122.85
  4. Step 4: Simplify right side
    11,880,761.31x = 110,226,128,221,679.27
  5. Step 5: Solve for x
    x = 110,226,128,221,679.27/11,880,761.31
  6. Step 6: Final answer
    x = 9,277,699.08

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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.