Home / 8,270,128.35-12,397,093.74-4,628,636.60

Finding the Fourth Proportional to 8,270,128.35, 12,397,093.74 and 4,628,636.60

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Solution

The fourth proportional to 8,270,128.35, 12,397,093.74 and 4,628,636.60 is: 6,938,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,128.35 : 12,397,093.74 = 4,628,636.60 : x
  2. Step 2: Convert to fraction form
    8,270,128.35/12,397,093.74 = 4,628,636.60/x
  3. Step 3: Cross multiply
    8,270,128.35x = 12,397,093.74 × 4,628,636.60
  4. Step 4: Simplify right side
    8,270,128.35x = 57,381,641,756,609.41
  5. Step 5: Solve for x
    x = 57,381,641,756,609.41/8,270,128.35
  6. Step 6: Final answer
    x = 6,938,422.15

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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.