Home / 13,761,592.80-20,658,135.60-8,085,015.60

Finding the Fourth Proportional to 13,761,592.80, 20,658,135.60 and 8,085,015.60

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Solution

The fourth proportional to 13,761,592.80, 20,658,135.60 and 8,085,015.60 is: 12,136,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,592.80 : 20,658,135.60 = 8,085,015.60 : x
  2. Step 2: Convert to fraction form
    13,761,592.80/20,658,135.60 = 8,085,015.60/x
  3. Step 3: Cross multiply
    13,761,592.80x = 20,658,135.60 × 8,085,015.60
  4. Step 4: Simplify right side
    13,761,592.80x = 167,021,348,592,915.38
  5. Step 5: Solve for x
    x = 167,021,348,592,915.38/13,761,592.80
  6. Step 6: Final answer
    x = 12,136,774.50

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1.5x scale

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.