Home / 19,906,989.72-29,812,654.80-11,361,418.44

Finding the Fourth Proportional to 19,906,989.72, 29,812,654.80 and 11,361,418.44

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Solution

The fourth proportional to 19,906,989.72, 29,812,654.80 and 11,361,418.44 is: 17,014,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906,989.72 : 29,812,654.80 = 11,361,418.44 : x
  2. Step 2: Convert to fraction form
    19,906,989.72/29,812,654.80 = 11,361,418.44/x
  3. Step 3: Cross multiply
    19,906,989.72x = 29,812,654.80 × 11,361,418.44
  4. Step 4: Simplify right side
    19,906,989.72x = 338,714,045,990,074.50
  5. Step 5: Solve for x
    x = 338,714,045,990,074.50/19,906,989.72
  6. Step 6: Final answer
    x = 17,014,830.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.