Home / 13,531,656.96-20,292,612.48-3,945,127.68

Finding the Fourth Proportional to 13,531,656.96, 20,292,612.48 and 3,945,127.68

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Solution

The fourth proportional to 13,531,656.96, 20,292,612.48 and 3,945,127.68 is: 5,916,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,656.96 : 20,292,612.48 = 3,945,127.68 : x
  2. Step 2: Convert to fraction form
    13,531,656.96/20,292,612.48 = 3,945,127.68/x
  3. Step 3: Cross multiply
    13,531,656.96x = 20,292,612.48 × 3,945,127.68
  4. Step 4: Simplify right side
    13,531,656.96x = 80,056,947,194,361.45
  5. Step 5: Solve for x
    x = 80,056,947,194,361.45/13,531,656.96
  6. Step 6: Final answer
    x = 5,916,270.82

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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.