Home / 7,242,912.60-10,865,681.10-3,639,611.40

Finding the Fourth Proportional to 7,242,912.60, 10,865,681.10 and 3,639,611.40

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Solution

The fourth proportional to 7,242,912.60, 10,865,681.10 and 3,639,611.40 is: 5,460,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,912.60 : 10,865,681.10 = 3,639,611.40 : x
  2. Step 2: Convert to fraction form
    7,242,912.60/10,865,681.10 = 3,639,611.40/x
  3. Step 3: Cross multiply
    7,242,912.60x = 10,865,681.10 × 3,639,611.40
  4. Step 4: Simplify right side
    7,242,912.60x = 39,546,856,800,324.54
  5. Step 5: Solve for x
    x = 39,546,856,800,324.54/7,242,912.60
  6. Step 6: Final answer
    x = 5,460,076.49

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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.