Home / 21,617,025.88-29,831,230.05-11,827,329.10

Finding the Fourth Proportional to 21,617,025.88, 29,831,230.05 and 11,827,329.10

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Solution

The fourth proportional to 21,617,025.88, 29,831,230.05 and 11,827,329.10 is: 16,321,568.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617,025.88 : 29,831,230.05 = 11,827,329.10 : x
  2. Step 2: Convert to fraction form
    21,617,025.88/29,831,230.05 = 11,827,329.10/x
  3. Step 3: Cross multiply
    21,617,025.88x = 29,831,230.05 × 11,827,329.10
  4. Step 4: Simplify right side
    21,617,025.88x = 352,823,775,259,159.44
  5. Step 5: Solve for x
    x = 352,823,775,259,159.44/21,617,025.88
  6. Step 6: Final answer
    x = 16,321,568.80

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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.