Home / 8,570,286.40-12,830,546.40-8,321,454.40

Finding the Fourth Proportional to 8,570,286.40, 12,830,546.40 and 8,321,454.40

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Solution

The fourth proportional to 8,570,286.40, 12,830,546.40 and 8,321,454.40 is: 12,458,020.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570,286.40 : 12,830,546.40 = 8,321,454.40 : x
  2. Step 2: Convert to fraction form
    8,570,286.40/12,830,546.40 = 8,321,454.40/x
  3. Step 3: Cross multiply
    8,570,286.40x = 12,830,546.40 × 8,321,454.40
  4. Step 4: Simplify right side
    8,570,286.40x = 106,768,806,794,684.17
  5. Step 5: Solve for x
    x = 106,768,806,794,684.17/8,570,286.40
  6. Step 6: Final answer
    x = 12,458,020.87

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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.