Home / 12,192,036.37-18,275,253.01-4,102,203.69

Finding the Fourth Proportional to 12,192,036.37, 18,275,253.01 and 4,102,203.69

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Solution

The fourth proportional to 12,192,036.37, 18,275,253.01 and 4,102,203.69 is: 6,148,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,036.37 : 18,275,253.01 = 4,102,203.69 : x
  2. Step 2: Convert to fraction form
    12,192,036.37/18,275,253.01 = 4,102,203.69/x
  3. Step 3: Cross multiply
    12,192,036.37x = 18,275,253.01 × 4,102,203.69
  4. Step 4: Simplify right side
    12,192,036.37x = 74,968,810,323,050.09
  5. Step 5: Solve for x
    x = 74,968,810,323,050.09/12,192,036.37
  6. Step 6: Final answer
    x = 6,148,998.25

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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.