Home / 7,638,639.84-10,541,112.48-4,200,880.80

Finding the Fourth Proportional to 7,638,639.84, 10,541,112.48 and 4,200,880.80

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Solution

The fourth proportional to 7,638,639.84, 10,541,112.48 and 4,200,880.80 is: 5,797,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,639.84 : 10,541,112.48 = 4,200,880.80 : x
  2. Step 2: Convert to fraction form
    7,638,639.84/10,541,112.48 = 4,200,880.80/x
  3. Step 3: Cross multiply
    7,638,639.84x = 10,541,112.48 × 4,200,880.80
  4. Step 4: Simplify right side
    7,638,639.84x = 44,281,957,027,872.38
  5. Step 5: Solve for x
    x = 44,281,957,027,872.38/7,638,639.84
  6. Step 6: Final answer
    x = 5,797,099.74

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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.