Home / 12,687,675.58-17,508,772.60-6,886,332.82

Finding the Fourth Proportional to 12,687,675.58, 17,508,772.60 and 6,886,332.82

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Solution

The fourth proportional to 12,687,675.58, 17,508,772.60 and 6,886,332.82 is: 9,503,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,675.58 : 17,508,772.60 = 6,886,332.82 : x
  2. Step 2: Convert to fraction form
    12,687,675.58/17,508,772.60 = 6,886,332.82/x
  3. Step 3: Cross multiply
    12,687,675.58x = 17,508,772.60 × 6,886,332.82
  4. Step 4: Simplify right side
    12,687,675.58x = 120,571,235,393,296.75
  5. Step 5: Solve for x
    x = 120,571,235,393,296.75/12,687,675.58
  6. Step 6: Final answer
    x = 9,503,020.05

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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.