Home / 10,022,756.94-13,831,404.08-5,439,078.32

Finding the Fourth Proportional to 10,022,756.94, 13,831,404.08 and 5,439,078.32

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Solution

The fourth proportional to 10,022,756.94, 13,831,404.08 and 5,439,078.32 is: 7,505,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,756.94 : 13,831,404.08 = 5,439,078.32 : x
  2. Step 2: Convert to fraction form
    10,022,756.94/13,831,404.08 = 5,439,078.32/x
  3. Step 3: Cross multiply
    10,022,756.94x = 13,831,404.08 × 5,439,078.32
  4. Step 4: Simplify right side
    10,022,756.94x = 75,230,089,970,335.14
  5. Step 5: Solve for x
    x = 75,230,089,970,335.14/10,022,756.94
  6. Step 6: Final answer
    x = 7,505,927.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.