Home / 16,871,871.75-23,283,147.51-9,136,890.15

Finding the Fourth Proportional to 16,871,871.75, 23,283,147.51 and 9,136,890.15

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Solution

The fourth proportional to 16,871,871.75, 23,283,147.51 and 9,136,890.15 is: 12,608,889.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871,871.75 : 23,283,147.51 = 9,136,890.15 : x
  2. Step 2: Convert to fraction form
    16,871,871.75/23,283,147.51 = 9,136,890.15/x
  3. Step 3: Cross multiply
    16,871,871.75x = 23,283,147.51 × 9,136,890.15
  4. Step 4: Simplify right side
    16,871,871.75x = 212,735,561,145,116.06
  5. Step 5: Solve for x
    x = 212,735,561,145,116.06/16,871,871.75
  6. Step 6: Final answer
    x = 12,608,889.18

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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.