Home / 12,195,702.35-16,830,540.14-6,689,309.25

Finding the Fourth Proportional to 12,195,702.35, 16,830,540.14 and 6,689,309.25

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Solution

The fourth proportional to 12,195,702.35, 16,830,540.14 and 6,689,309.25 is: 9,231,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,702.35 : 16,830,540.14 = 6,689,309.25 : x
  2. Step 2: Convert to fraction form
    12,195,702.35/16,830,540.14 = 6,689,309.25/x
  3. Step 3: Cross multiply
    12,195,702.35x = 16,830,540.14 × 6,689,309.25
  4. Step 4: Simplify right side
    12,195,702.35x = 112,584,687,840,998.30
  5. Step 5: Solve for x
    x = 112,584,687,840,998.30/12,195,702.35
  6. Step 6: Final answer
    x = 9,231,505.05

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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.