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Finding the Fourth Proportional to 14,570,531.20, 20,107,362.84 and 8,044,173.28

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Solution

The fourth proportional to 14,570,531.20, 20,107,362.84 and 8,044,173.28 is: 11,100,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570,531.20 : 20,107,362.84 = 8,044,173.28 : x
  2. Step 2: Convert to fraction form
    14,570,531.20/20,107,362.84 = 8,044,173.28/x
  3. Step 3: Cross multiply
    14,570,531.20x = 20,107,362.84 × 8,044,173.28
  4. Step 4: Simplify right side
    14,570,531.20x = 161,747,110,888,792.91
  5. Step 5: Solve for x
    x = 161,747,110,888,792.91/14,570,531.20
  6. Step 6: Final answer
    x = 11,100,975.57

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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.