Home / 19,387,336.20-29,056,121.10-11,806,254.60

Finding the Fourth Proportional to 19,387,336.20, 29,056,121.10 and 11,806,254.60

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Solution

The fourth proportional to 19,387,336.20, 29,056,121.10 and 11,806,254.60 is: 17,694,228.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,336.20 : 29,056,121.10 = 11,806,254.60 : x
  2. Step 2: Convert to fraction form
    19,387,336.20/29,056,121.10 = 11,806,254.60/x
  3. Step 3: Cross multiply
    19,387,336.20x = 29,056,121.10 × 11,806,254.60
  4. Step 4: Simplify right side
    19,387,336.20x = 343,043,963,395,032.06
  5. Step 5: Solve for x
    x = 343,043,963,395,032.06/19,387,336.20
  6. Step 6: Final answer
    x = 17,694,228.84

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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.