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Finding the Fourth Proportional to 13,207,224.20, 19,810,836.30 and 9,593,425.40

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Solution

The fourth proportional to 13,207,224.20, 19,810,836.30 and 9,593,425.40 is: 14,390,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207,224.20 : 19,810,836.30 = 9,593,425.40 : x
  2. Step 2: Convert to fraction form
    13,207,224.20/19,810,836.30 = 9,593,425.40/x
  3. Step 3: Cross multiply
    13,207,224.20x = 19,810,836.30 × 9,593,425.40
  4. Step 4: Simplify right side
    13,207,224.20x = 190,053,780,155,662.03
  5. Step 5: Solve for x
    x = 190,053,780,155,662.03/13,207,224.20
  6. Step 6: Final answer
    x = 14,390,138.10

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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.