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Finding the Fourth Proportional to 8,064,809.40, 12,097,214.10 and 8,008,822.20

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Solution

The fourth proportional to 8,064,809.40, 12,097,214.10 and 8,008,822.20 is: 12,013,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,809.40 : 12,097,214.10 = 8,008,822.20 : x
  2. Step 2: Convert to fraction form
    8,064,809.40/12,097,214.10 = 8,008,822.20/x
  3. Step 3: Cross multiply
    8,064,809.40x = 12,097,214.10 × 8,008,822.20
  4. Step 4: Simplify right side
    8,064,809.40x = 96,884,436,842,233.02
  5. Step 5: Solve for x
    x = 96,884,436,842,233.02/8,064,809.40
  6. Step 6: Final answer
    x = 12,013,233.30

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Double scale
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Similar ratio
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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.