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Finding the Fourth Proportional to 14,893,692.22, 20,548,571.34 and 9,089,569.18

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Solution

The fourth proportional to 14,893,692.22, 20,548,571.34 and 9,089,569.18 is: 12,540,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893,692.22 : 20,548,571.34 = 9,089,569.18 : x
  2. Step 2: Convert to fraction form
    14,893,692.22/20,548,571.34 = 9,089,569.18/x
  3. Step 3: Cross multiply
    14,893,692.22x = 20,548,571.34 × 9,089,569.18
  4. Step 4: Simplify right side
    14,893,692.22x = 186,777,660,745,095.28
  5. Step 5: Solve for x
    x = 186,777,660,745,095.28/14,893,692.22
  6. Step 6: Final answer
    x = 12,540,722.47

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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.