Home / 16,916,813.52-23,345,143.56-9,181,855.44

Finding the Fourth Proportional to 16,916,813.52, 23,345,143.56 and 9,181,855.44

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Solution

The fourth proportional to 16,916,813.52, 23,345,143.56 and 9,181,855.44 is: 12,670,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916,813.52 : 23,345,143.56 = 9,181,855.44 : x
  2. Step 2: Convert to fraction form
    16,916,813.52/23,345,143.56 = 9,181,855.44/x
  3. Step 3: Cross multiply
    16,916,813.52x = 23,345,143.56 × 9,181,855.44
  4. Step 4: Simplify right side
    16,916,813.52x = 214,351,733,393,966.94
  5. Step 5: Solve for x
    x = 214,351,733,393,966.94/16,916,813.52
  6. Step 6: Final answer
    x = 12,670,928.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.