Home / 12,311,049.48-16,990,126.92-6,804,305.88

Finding the Fourth Proportional to 12,311,049.48, 16,990,126.92 and 6,804,305.88

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Solution

The fourth proportional to 12,311,049.48, 16,990,126.92 and 6,804,305.88 is: 9,390,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,049.48 : 16,990,126.92 = 6,804,305.88 : x
  2. Step 2: Convert to fraction form
    12,311,049.48/16,990,126.92 = 6,804,305.88/x
  3. Step 3: Cross multiply
    12,311,049.48x = 16,990,126.92 × 6,804,305.88
  4. Step 4: Simplify right side
    12,311,049.48x = 115,606,020,503,702.30
  5. Step 5: Solve for x
    x = 115,606,020,503,702.30/12,311,049.48
  6. Step 6: Final answer
    x = 9,390,427.74

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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.