Home / 21,567,067.02-29,766,396.78-12,746,158.11

Finding the Fourth Proportional to 21,567,067.02, 29,766,396.78 and 12,746,158.11

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Solution

The fourth proportional to 21,567,067.02, 29,766,396.78 and 12,746,158.11 is: 17,591,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,067.02 : 29,766,396.78 = 12,746,158.11 : x
  2. Step 2: Convert to fraction form
    21,567,067.02/29,766,396.78 = 12,746,158.11/x
  3. Step 3: Cross multiply
    21,567,067.02x = 29,766,396.78 × 12,746,158.11
  4. Step 4: Simplify right side
    21,567,067.02x = 379,407,199,722,874.88
  5. Step 5: Solve for x
    x = 379,407,199,722,874.88/21,567,067.02
  6. Step 6: Final answer
    x = 17,591,970.17

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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.