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Finding the Fourth Proportional to 14,973,615.20, 22,460,422.80 and 7,415,343.20

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Solution

The fourth proportional to 14,973,615.20, 22,460,422.80 and 7,415,343.20 is: 11,123,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973,615.20 : 22,460,422.80 = 7,415,343.20 : x
  2. Step 2: Convert to fraction form
    14,973,615.20/22,460,422.80 = 7,415,343.20/x
  3. Step 3: Cross multiply
    14,973,615.20x = 22,460,422.80 × 7,415,343.20
  4. Step 4: Simplify right side
    14,973,615.20x = 166,551,743,479,104.97
  5. Step 5: Solve for x
    x = 166,551,743,479,104.97/14,973,615.20
  6. Step 6: Final answer
    x = 11,123,014.80

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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.