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Finding the Fourth Proportional to 12,097,615.80, 18,147,978.90 and 6,035,446.20

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Solution

The fourth proportional to 12,097,615.80, 18,147,978.90 and 6,035,446.20 is: 9,053,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,615.80 : 18,147,978.90 = 6,035,446.20 : x
  2. Step 2: Convert to fraction form
    12,097,615.80/18,147,978.90 = 6,035,446.20/x
  3. Step 3: Cross multiply
    12,097,615.80x = 18,147,978.90 × 6,035,446.20
  4. Step 4: Simplify right side
    12,097,615.80x = 109,531,150,289,685.17
  5. Step 5: Solve for x
    x = 109,531,150,289,685.17/12,097,615.80
  6. Step 6: Final answer
    x = 9,053,945.18

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1.5x scale

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.