Home / 21,646,008.68-29,871,504-11,856,616.38

Finding the Fourth Proportional to 21,646,008.68, 29,871,504 and 11,856,616.38

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Solution

The fourth proportional to 21,646,008.68, 29,871,504 and 11,856,616.38 is: 16,362,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646,008.68 : 29,871,504 = 11,856,616.38 : x
  2. Step 2: Convert to fraction form
    21,646,008.68/29,871,504 = 11,856,616.38/x
  3. Step 3: Cross multiply
    21,646,008.68x = 29,871,504 × 11,856,616.38
  4. Step 4: Simplify right side
    21,646,008.68x = 354,174,963,621,635.56
  5. Step 5: Solve for x
    x = 354,174,963,621,635.56/21,646,008.68
  6. Step 6: Final answer
    x = 16,362,137.19

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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.