Home / 12,438,087.06-18,659,787.80-4,351,326.51

Finding the Fourth Proportional to 12,438,087.06, 18,659,787.80 and 4,351,326.51

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Solution

The fourth proportional to 12,438,087.06, 18,659,787.80 and 4,351,326.51 is: 6,527,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438,087.06 : 18,659,787.80 = 4,351,326.51 : x
  2. Step 2: Convert to fraction form
    12,438,087.06/18,659,787.80 = 4,351,326.51/x
  3. Step 3: Cross multiply
    12,438,087.06x = 18,659,787.80 × 4,351,326.51
  4. Step 4: Simplify right side
    12,438,087.06x = 81,194,829,325,114.58
  5. Step 5: Solve for x
    x = 81,194,829,325,114.58/12,438,087.06
  6. Step 6: Final answer
    x = 6,527,919.36

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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.