Home / 16,871,872.75-23,283,148.89-9,136,891.15

Finding the Fourth Proportional to 16,871,872.75, 23,283,148.89 and 9,136,891.15

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Solution

The fourth proportional to 16,871,872.75, 23,283,148.89 and 9,136,891.15 is: 12,608,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871,872.75 : 23,283,148.89 = 9,136,891.15 : x
  2. Step 2: Convert to fraction form
    16,871,872.75/23,283,148.89 = 9,136,891.15/x
  3. Step 3: Cross multiply
    16,871,872.75x = 23,283,148.89 × 9,136,891.15
  4. Step 4: Simplify right side
    16,871,872.75x = 212,735,597,037,173.34
  5. Step 5: Solve for x
    x = 212,735,597,037,173.34/16,871,872.75
  6. Step 6: Final answer
    x = 12,608,890.56

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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.