Home / 12,376,638.88-17,078,906.63-6,869,580.50

Finding the Fourth Proportional to 12,376,638.88, 17,078,906.63 and 6,869,580.50

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Solution

The fourth proportional to 12,376,638.88, 17,078,906.63 and 6,869,580.50 is: 9,479,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,638.88 : 17,078,906.63 = 6,869,580.50 : x
  2. Step 2: Convert to fraction form
    12,376,638.88/17,078,906.63 = 6,869,580.50/x
  3. Step 3: Cross multiply
    12,376,638.88x = 17,078,906.63 × 6,869,580.50
  4. Step 4: Simplify right side
    12,376,638.88x = 117,324,923,912,420.81
  5. Step 5: Solve for x
    x = 117,324,923,912,420.81/12,376,638.88
  6. Step 6: Final answer
    x = 9,479,546.51

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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.