Home / 12,191,914.37-18,275,069.79-4,102,081.35

Finding the Fourth Proportional to 12,191,914.37, 18,275,069.79 and 4,102,081.35

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Solution

The fourth proportional to 12,191,914.37, 18,275,069.79 and 4,102,081.35 is: 6,148,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,914.37 : 18,275,069.79 = 4,102,081.35 : x
  2. Step 2: Convert to fraction form
    12,191,914.37/18,275,069.79 = 4,102,081.35/x
  3. Step 3: Cross multiply
    12,191,914.37x = 18,275,069.79 × 4,102,081.35
  4. Step 4: Simplify right side
    12,191,914.37x = 74,965,822,955,507.42
  5. Step 5: Solve for x
    x = 74,965,822,955,507.42/12,191,914.37
  6. Step 6: Final answer
    x = 6,148,814.76

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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.