Home / 12,612,600.78-17,405,388.41-6,811,381.96

Finding the Fourth Proportional to 12,612,600.78, 17,405,388.41 and 6,811,381.96

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Solution

The fourth proportional to 12,612,600.78, 17,405,388.41 and 6,811,381.96 is: 9,399,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,600.78 : 17,405,388.41 = 6,811,381.96 : x
  2. Step 2: Convert to fraction form
    12,612,600.78/17,405,388.41 = 6,811,381.96/x
  3. Step 3: Cross multiply
    12,612,600.78x = 17,405,388.41 × 6,811,381.96
  4. Step 4: Simplify right side
    12,612,600.78x = 118,554,748,545,096.70
  5. Step 5: Solve for x
    x = 118,554,748,545,096.70/12,612,600.78
  6. Step 6: Final answer
    x = 9,399,706.74

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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.