Home / 13,772,193.84-20,660,812.56-5,680,755.36

Finding the Fourth Proportional to 13,772,193.84, 20,660,812.56 and 5,680,755.36

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Solution

The fourth proportional to 13,772,193.84, 20,660,812.56 and 5,680,755.36 is: 8,522,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,193.84 : 20,660,812.56 = 5,680,755.36 : x
  2. Step 2: Convert to fraction form
    13,772,193.84/20,660,812.56 = 5,680,755.36/x
  3. Step 3: Cross multiply
    13,772,193.84x = 20,660,812.56 × 5,680,755.36
  4. Step 4: Simplify right side
    13,772,193.84x = 117,369,021,692,175.33
  5. Step 5: Solve for x
    x = 117,369,021,692,175.33/13,772,193.84
  6. Step 6: Final answer
    x = 8,522,173.23

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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.