Home / 13,886,960.31-20,812,344.84-7,738,696.98

Finding the Fourth Proportional to 13,886,960.31, 20,812,344.84 and 7,738,696.98

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Solution

The fourth proportional to 13,886,960.31, 20,812,344.84 and 7,738,696.98 is: 11,597,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,960.31 : 20,812,344.84 = 7,738,696.98 : x
  2. Step 2: Convert to fraction form
    13,886,960.31/20,812,344.84 = 7,738,696.98/x
  3. Step 3: Cross multiply
    13,886,960.31x = 20,812,344.84 × 7,738,696.98
  4. Step 4: Simplify right side
    13,886,960.31x = 161,060,430,160,026.59
  5. Step 5: Solve for x
    x = 161,060,430,160,026.59/13,886,960.31
  6. Step 6: Final answer
    x = 11,597,961.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.