Home / 12,902,348.94-19,365,479.01-6,517,076.82

Finding the Fourth Proportional to 12,902,348.94, 19,365,479.01 and 6,517,076.82

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Solution

The fourth proportional to 12,902,348.94, 19,365,479.01 and 6,517,076.82 is: 9,781,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902,348.94 : 19,365,479.01 = 6,517,076.82 : x
  2. Step 2: Convert to fraction form
    12,902,348.94/19,365,479.01 = 6,517,076.82/x
  3. Step 3: Cross multiply
    12,902,348.94x = 19,365,479.01 × 6,517,076.82
  4. Step 4: Simplify right side
    12,902,348.94x = 126,206,314,364,267.56
  5. Step 5: Solve for x
    x = 126,206,314,364,267.56/12,902,348.94
  6. Step 6: Final answer
    x = 9,781,654.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.