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Finding the Fourth Proportional to 22,144,647.60, 33,216,971.40 and 18,554,468.40

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Solution

The fourth proportional to 22,144,647.60, 33,216,971.40 and 18,554,468.40 is: 27,831,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144,647.60 : 33,216,971.40 = 18,554,468.40 : x
  2. Step 2: Convert to fraction form
    22,144,647.60/33,216,971.40 = 18,554,468.40/x
  3. Step 3: Cross multiply
    22,144,647.60x = 33,216,971.40 × 18,554,468.40
  4. Step 4: Simplify right side
    22,144,647.60x = 616,323,246,185,003.62
  5. Step 5: Solve for x
    x = 616,323,246,185,003.62/22,144,647.60
  6. Step 6: Final answer
    x = 27,831,702.60

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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.