Home / 12,687,674.58-17,508,771.23-6,886,331.82

Finding the Fourth Proportional to 12,687,674.58, 17,508,771.23 and 6,886,331.82

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Solution

The fourth proportional to 12,687,674.58, 17,508,771.23 and 6,886,331.82 is: 9,503,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,674.58 : 17,508,771.23 = 6,886,331.82 : x
  2. Step 2: Convert to fraction form
    12,687,674.58/17,508,771.23 = 6,886,331.82/x
  3. Step 3: Cross multiply
    12,687,674.58x = 17,508,771.23 × 6,886,331.82
  4. Step 4: Simplify right side
    12,687,674.58x = 120,571,208,415,817.89
  5. Step 5: Solve for x
    x = 120,571,208,415,817.89/12,687,674.58
  6. Step 6: Final answer
    x = 9,503,018.67

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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.