Home / 20,241,943.80-30,362,915.70-5,865,480.60

Finding the Fourth Proportional to 20,241,943.80, 30,362,915.70 and 5,865,480.60

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Solution

The fourth proportional to 20,241,943.80, 30,362,915.70 and 5,865,480.60 is: 8,798,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241,943.80 : 30,362,915.70 = 5,865,480.60 : x
  2. Step 2: Convert to fraction form
    20,241,943.80/30,362,915.70 = 5,865,480.60/x
  3. Step 3: Cross multiply
    20,241,943.80x = 30,362,915.70 × 5,865,480.60
  4. Step 4: Simplify right side
    20,241,943.80x = 178,093,092,997,785.41
  5. Step 5: Solve for x
    x = 178,093,092,997,785.41/20,241,943.80
  6. Step 6: Final answer
    x = 8,798,220.90

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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.