Home / 6,666,928.25-9,200,361.30-3,611,142.50

Finding the Fourth Proportional to 6,666,928.25, 9,200,361.30 and 3,611,142.50

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Solution

The fourth proportional to 6,666,928.25, 9,200,361.30 and 3,611,142.50 is: 4,983,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,928.25 : 9,200,361.30 = 3,611,142.50 : x
  2. Step 2: Convert to fraction form
    6,666,928.25/9,200,361.30 = 3,611,142.50/x
  3. Step 3: Cross multiply
    6,666,928.25x = 9,200,361.30 × 3,611,142.50
  4. Step 4: Simplify right side
    6,666,928.25x = 33,223,815,705,785.25
  5. Step 5: Solve for x
    x = 33,223,815,705,785.25/6,666,928.25
  6. Step 6: Final answer
    x = 4,983,376.82

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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.