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Finding the Fourth Proportional to 16,396,360.40, 24,573,545.40 and 12,590,980.40

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Solution

The fourth proportional to 16,396,360.40, 24,573,545.40 and 12,590,980.40 is: 18,870,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,396,360.40 : 24,573,545.40 = 12,590,980.40 : x
  2. Step 2: Convert to fraction form
    16,396,360.40/24,573,545.40 = 12,590,980.40/x
  3. Step 3: Cross multiply
    16,396,360.40x = 24,573,545.40 × 12,590,980.40
  4. Step 4: Simplify right side
    16,396,360.40x = 309,405,028,489,910.12
  5. Step 5: Solve for x
    x = 309,405,028,489,910.12/16,396,360.40
  6. Step 6: Final answer
    x = 18,870,348.11

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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.