Home / 21,617,074.45-29,831,936.34-11,828,374.17

Finding the Fourth Proportional to 21,617,074.45, 29,831,936.34 and 11,828,374.17

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Solution

The fourth proportional to 21,617,074.45, 29,831,936.34 and 11,828,374.17 is: 16,323,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617,074.45 : 29,831,936.34 = 11,828,374.17 : x
  2. Step 2: Convert to fraction form
    21,617,074.45/29,831,936.34 = 11,828,374.17/x
  3. Step 3: Cross multiply
    21,617,074.45x = 29,831,936.34 × 11,828,374.17
  4. Step 4: Simplify right side
    21,617,074.45x = 352,863,305,245,140.31
  5. Step 5: Solve for x
    x = 352,863,305,245,140.31/21,617,074.45
  6. Step 6: Final answer
    x = 16,323,360.78

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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.