Home / 21,617,024.88-29,831,228.67-11,827,328.10

Finding the Fourth Proportional to 21,617,024.88, 29,831,228.67 and 11,827,328.10

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Solution

The fourth proportional to 21,617,024.88, 29,831,228.67 and 11,827,328.10 is: 16,321,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617,024.88 : 29,831,228.67 = 11,827,328.10 : x
  2. Step 2: Convert to fraction form
    21,617,024.88/29,831,228.67 = 11,827,328.10/x
  3. Step 3: Cross multiply
    21,617,024.88x = 29,831,228.67 × 11,827,328.10
  4. Step 4: Simplify right side
    21,617,024.88x = 352,823,729,038,701.94
  5. Step 5: Solve for x
    x = 352,823,729,038,701.94/21,617,024.88
  6. Step 6: Final answer
    x = 16,321,567.42

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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.