Home / 12,689,436.68-17,511,444.83-6,888,222.35

Finding the Fourth Proportional to 12,689,436.68, 17,511,444.83 and 6,888,222.35

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Solution

The fourth proportional to 12,689,436.68, 17,511,444.83 and 6,888,222.35 is: 9,505,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,436.68 : 17,511,444.83 = 6,888,222.35 : x
  2. Step 2: Convert to fraction form
    12,689,436.68/17,511,444.83 = 6,888,222.35/x
  3. Step 3: Cross multiply
    12,689,436.68x = 17,511,444.83 × 6,888,222.35
  4. Step 4: Simplify right side
    12,689,436.68x = 120,622,725,536,799.61
  5. Step 5: Solve for x
    x = 120,622,725,536,799.61/12,689,436.68
  6. Step 6: Final answer
    x = 9,505,758.89

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1.5x scale

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.