Home / 31,068,382.84-42,892,759.62-27,621,102.22

Finding the Fourth Proportional to 31,068,382.84, 42,892,759.62 and 27,621,102.22

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Solution

The fourth proportional to 31,068,382.84, 42,892,759.62 and 27,621,102.22 is: 38,133,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,382.84 : 42,892,759.62 = 27,621,102.22 : x
  2. Step 2: Convert to fraction form
    31,068,382.84/42,892,759.62 = 27,621,102.22/x
  3. Step 3: Cross multiply
    31,068,382.84x = 42,892,759.62 × 27,621,102.22
  4. Step 4: Simplify right side
    31,068,382.84x = 1,184,745,297,961,908.25
  5. Step 5: Solve for x
    x = 1,184,745,297,961,908.25/31,068,382.84
  6. Step 6: Final answer
    x = 38,133,471.71

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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.