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Finding the Fourth Proportional to 16,681,361.83, 25,025,815.77 and 9,004,841.90

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Solution

The fourth proportional to 16,681,361.83, 25,025,815.77 and 9,004,841.90 is: 13,509,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681,361.83 : 25,025,815.77 = 9,004,841.90 : x
  2. Step 2: Convert to fraction form
    16,681,361.83/25,025,815.77 = 9,004,841.90/x
  3. Step 3: Cross multiply
    16,681,361.83x = 25,025,815.77 × 9,004,841.90
  4. Step 4: Simplify right side
    16,681,361.83x = 225,353,514,427,376.78
  5. Step 5: Solve for x
    x = 225,353,514,427,376.78/16,681,361.83
  6. Step 6: Final answer
    x = 13,509,299.58

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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.