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Finding the Fourth Proportional to 11,970,005.30, 16,800,522.70 and 11,970,005.30

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Solution

The fourth proportional to 11,970,005.30, 16,800,522.70 and 11,970,005.30 is: 16,800,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970,005.30 : 16,800,522.70 = 11,970,005.30 : x
  2. Step 2: Convert to fraction form
    11,970,005.30/16,800,522.70 = 11,970,005.30/x
  3. Step 3: Cross multiply
    11,970,005.30x = 16,800,522.70 × 11,970,005.30
  4. Step 4: Simplify right side
    11,970,005.30x = 201,102,345,761,770.31
  5. Step 5: Solve for x
    x = 201,102,345,761,770.31/11,970,005.30
  6. Step 6: Final answer
    x = 16,800,522.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.