Home / 5,381,364.40-8,072,046.60-5,087,431.60

Finding the Fourth Proportional to 5,381,364.40, 8,072,046.60 and 5,087,431.60

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Solution

The fourth proportional to 5,381,364.40, 8,072,046.60 and 5,087,431.60 is: 7,631,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,364.40 : 8,072,046.60 = 5,087,431.60 : x
  2. Step 2: Convert to fraction form
    5,381,364.40/8,072,046.60 = 5,087,431.60/x
  3. Step 3: Cross multiply
    5,381,364.40x = 8,072,046.60 × 5,087,431.60
  4. Step 4: Simplify right side
    5,381,364.40x = 41,065,984,949,512.55
  5. Step 5: Solve for x
    x = 41,065,984,949,512.55/5,381,364.40
  6. Step 6: Final answer
    x = 7,631,147.40

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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.