Home / 21,449,972.49-29,599,200.95-12,628,022.73

Finding the Fourth Proportional to 21,449,972.49, 29,599,200.95 and 12,628,022.73

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Solution

The fourth proportional to 21,449,972.49, 29,599,200.95 and 12,628,022.73 is: 17,425,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449,972.49 : 29,599,200.95 = 12,628,022.73 : x
  2. Step 2: Convert to fraction form
    21,449,972.49/29,599,200.95 = 12,628,022.73/x
  3. Step 3: Cross multiply
    21,449,972.49x = 29,599,200.95 × 12,628,022.73
  4. Step 4: Simplify right side
    21,449,972.49x = 373,779,382,323,297.50
  5. Step 5: Solve for x
    x = 373,779,382,323,297.50/21,449,972.49
  6. Step 6: Final answer
    x = 17,425,634.58

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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.