Home / 13,958,968.50-20,938,460.40-6,380,619.84

Finding the Fourth Proportional to 13,958,968.50, 20,938,460.40 and 6,380,619.84

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Solution

The fourth proportional to 13,958,968.50, 20,938,460.40 and 6,380,619.84 is: 9,570,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958,968.50 : 20,938,460.40 = 6,380,619.84 : x
  2. Step 2: Convert to fraction form
    13,958,968.50/20,938,460.40 = 6,380,619.84/x
  3. Step 3: Cross multiply
    13,958,968.50x = 20,938,460.40 × 6,380,619.84
  4. Step 4: Simplify right side
    13,958,968.50x = 133,600,355,847,294.33
  5. Step 5: Solve for x
    x = 133,600,355,847,294.33/13,958,968.50
  6. Step 6: Final answer
    x = 9,570,933.26

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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.