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Finding the Fourth Proportional to 16,391,631.60, 24,570,858.60 and 9,656,578.80

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Solution

The fourth proportional to 16,391,631.60, 24,570,858.60 and 9,656,578.80 is: 14,475,095.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,631.60 : 24,570,858.60 = 9,656,578.80 : x
  2. Step 2: Convert to fraction form
    16,391,631.60/24,570,858.60 = 9,656,578.80/x
  3. Step 3: Cross multiply
    16,391,631.60x = 24,570,858.60 × 9,656,578.80
  4. Step 4: Simplify right side
    16,391,631.60x = 237,270,432,254,557.72
  5. Step 5: Solve for x
    x = 237,270,432,254,557.72/16,391,631.60
  6. Step 6: Final answer
    x = 14,475,095.47

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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.