Home / 31,100,855.37-42,927,716.98-18,052,318.12

Finding the Fourth Proportional to 31,100,855.37, 42,927,716.98 and 18,052,318.12

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Solution

The fourth proportional to 31,100,855.37, 42,927,716.98 and 18,052,318.12 is: 24,917,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,855.37 : 42,927,716.98 = 18,052,318.12 : x
  2. Step 2: Convert to fraction form
    31,100,855.37/42,927,716.98 = 18,052,318.12/x
  3. Step 3: Cross multiply
    31,100,855.37x = 42,927,716.98 × 18,052,318.12
  4. Step 4: Simplify right side
    31,100,855.37x = 774,944,802,873,647
  5. Step 5: Solve for x
    x = 774,944,802,873,647/31,100,855.37
  6. Step 6: Final answer
    x = 24,917,154.01

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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.