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Finding the Fourth Proportional to 11,894,699.16, 17,823,880.85 and 8,847,328.50

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Solution

The fourth proportional to 11,894,699.16, 17,823,880.85 and 8,847,328.50 is: 13,257,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894,699.16 : 17,823,880.85 = 8,847,328.50 : x
  2. Step 2: Convert to fraction form
    11,894,699.16/17,823,880.85 = 8,847,328.50/x
  3. Step 3: Cross multiply
    11,894,699.16x = 17,823,880.85 × 8,847,328.50
  4. Step 4: Simplify right side
    11,894,699.16x = 157,693,728,980,572.56
  5. Step 5: Solve for x
    x = 157,693,728,980,572.56/11,894,699.16
  6. Step 6: Final answer
    x = 13,257,479.39

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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.