Home / 10,022,697.36-13,831,331.40-5,439,018.78

Finding the Fourth Proportional to 10,022,697.36, 13,831,331.40 and 5,439,018.78

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Solution

The fourth proportional to 10,022,697.36, 13,831,331.40 and 5,439,018.78 is: 7,505,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,697.36 : 13,831,331.40 = 5,439,018.78 : x
  2. Step 2: Convert to fraction form
    10,022,697.36/13,831,331.40 = 5,439,018.78/x
  3. Step 3: Cross multiply
    10,022,697.36x = 13,831,331.40 × 5,439,018.78
  4. Step 4: Simplify right side
    10,022,697.36x = 75,228,871,237,003.70
  5. Step 5: Solve for x
    x = 75,228,871,237,003.70/10,022,697.36
  6. Step 6: Final answer
    x = 7,505,850.82

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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.