Home / 11,993,787.86-16,551,818.43-6,561,279.86

Finding the Fourth Proportional to 11,993,787.86, 16,551,818.43 and 6,561,279.86

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Solution

The fourth proportional to 11,993,787.86, 16,551,818.43 and 6,561,279.86 is: 9,054,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993,787.86 : 16,551,818.43 = 6,561,279.86 : x
  2. Step 2: Convert to fraction form
    11,993,787.86/16,551,818.43 = 6,561,279.86/x
  3. Step 3: Cross multiply
    11,993,787.86x = 16,551,818.43 × 6,561,279.86
  4. Step 4: Simplify right side
    11,993,787.86x = 108,601,112,911,135.83
  5. Step 5: Solve for x
    x = 108,601,112,911,135.83/11,993,787.86
  6. Step 6: Final answer
    x = 9,054,780.21

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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.