Home / 11,978,450.45-16,530,261.63-6,822,291.77

Finding the Fourth Proportional to 11,978,450.45, 16,530,261.63 and 6,822,291.77

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Solution

The fourth proportional to 11,978,450.45, 16,530,261.63 and 6,822,291.77 is: 9,414,762.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,450.45 : 16,530,261.63 = 6,822,291.77 : x
  2. Step 2: Convert to fraction form
    11,978,450.45/16,530,261.63 = 6,822,291.77/x
  3. Step 3: Cross multiply
    11,978,450.45x = 16,530,261.63 × 6,822,291.77
  4. Step 4: Simplify right side
    11,978,450.45x = 112,774,267,874,295.78
  5. Step 5: Solve for x
    x = 112,774,267,874,295.78/11,978,450.45
  6. Step 6: Final answer
    x = 9,414,762.65

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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.