Home / 12,687,809.58-17,508,708.12-6,886,467.66

Finding the Fourth Proportional to 12,687,809.58, 17,508,708.12 and 6,886,467.66

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Solution

The fourth proportional to 12,687,809.58, 17,508,708.12 and 6,886,467.66 is: 9,503,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,809.58 : 17,508,708.12 = 6,886,467.66 : x
  2. Step 2: Convert to fraction form
    12,687,809.58/17,508,708.12 = 6,886,467.66/x
  3. Step 3: Cross multiply
    12,687,809.58x = 17,508,708.12 × 6,886,467.66
  4. Step 4: Simplify right side
    12,687,809.58x = 120,573,152,236,759.41
  5. Step 5: Solve for x
    x = 120,573,152,236,759.41/12,687,809.58
  6. Step 6: Final answer
    x = 9,503,070.76

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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.