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Finding the Fourth Proportional to 14,674,147.28, 20,250,362.28 and 8,147,788.88

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Solution

The fourth proportional to 14,674,147.28, 20,250,362.28 and 8,147,788.88 is: 11,243,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674,147.28 : 20,250,362.28 = 8,147,788.88 : x
  2. Step 2: Convert to fraction form
    14,674,147.28/20,250,362.28 = 8,147,788.88/x
  3. Step 3: Cross multiply
    14,674,147.28x = 20,250,362.28 × 8,147,788.88
  4. Step 4: Simplify right side
    14,674,147.28x = 164,995,676,600,955.47
  5. Step 5: Solve for x
    x = 164,995,676,600,955.47/14,674,147.28
  6. Step 6: Final answer
    x = 11,243,970.33

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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.