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Finding the Fourth Proportional to 16,489,459.80, 24,734,189.70 and 12,397,364.10

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Solution

The fourth proportional to 16,489,459.80, 24,734,189.70 and 12,397,364.10 is: 18,596,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489,459.80 : 24,734,189.70 = 12,397,364.10 : x
  2. Step 2: Convert to fraction form
    16,489,459.80/24,734,189.70 = 12,397,364.10/x
  3. Step 3: Cross multiply
    16,489,459.80x = 24,734,189.70 × 12,397,364.10
  4. Step 4: Simplify right side
    16,489,459.80x = 306,638,755,429,369.75
  5. Step 5: Solve for x
    x = 306,638,755,429,369.75/16,489,459.80
  6. Step 6: Final answer
    x = 18,596,046.15

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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.