Home / 12,171,268.52-16,796,875.40-6,738,760.52

Finding the Fourth Proportional to 12,171,268.52, 16,796,875.40 and 6,738,760.52

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Solution

The fourth proportional to 12,171,268.52, 16,796,875.40 and 6,738,760.52 is: 9,299,780.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,268.52 : 16,796,875.40 = 6,738,760.52 : x
  2. Step 2: Convert to fraction form
    12,171,268.52/16,796,875.40 = 6,738,760.52/x
  3. Step 3: Cross multiply
    12,171,268.52x = 16,796,875.40 × 6,738,760.52
  4. Step 4: Simplify right side
    12,171,268.52x = 113,190,120,804,879.19
  5. Step 5: Solve for x
    x = 113,190,120,804,879.19/12,171,268.52
  6. Step 6: Final answer
    x = 9,299,780.10

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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.