Home / 20,273,236.88-30,409,532.93-4,920,653.41

Finding the Fourth Proportional to 20,273,236.88, 30,409,532.93 and 4,920,653.41

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Solution

The fourth proportional to 20,273,236.88, 30,409,532.93 and 4,920,653.41 is: 7,380,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,236.88 : 30,409,532.93 = 4,920,653.41 : x
  2. Step 2: Convert to fraction form
    20,273,236.88/30,409,532.93 = 4,920,653.41/x
  3. Step 3: Cross multiply
    20,273,236.88x = 30,409,532.93 × 4,920,653.41
  4. Step 4: Simplify right side
    20,273,236.88x = 149,634,771,844,789.59
  5. Step 5: Solve for x
    x = 149,634,771,844,789.59/20,273,236.88
  6. Step 6: Final answer
    x = 7,380,901.86

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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.