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Finding the Fourth Proportional to 14,761,989.60, 22,142,984.40 and 12,410,527.20

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Solution

The fourth proportional to 14,761,989.60, 22,142,984.40 and 12,410,527.20 is: 18,615,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,989.60 : 22,142,984.40 = 12,410,527.20 : x
  2. Step 2: Convert to fraction form
    14,761,989.60/22,142,984.40 = 12,410,527.20/x
  3. Step 3: Cross multiply
    14,761,989.60x = 22,142,984.40 × 12,410,527.20
  4. Step 4: Simplify right side
    14,761,989.60x = 274,806,110,185,375.66
  5. Step 5: Solve for x
    x = 274,806,110,185,375.66/14,761,989.60
  6. Step 6: Final answer
    x = 18,615,790.80

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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.