Home / 13,128,410.37-18,100,365.21-10,764,900.35

Finding the Fourth Proportional to 13,128,410.37, 18,100,365.21 and 10,764,900.35

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Solution

The fourth proportional to 13,128,410.37, 18,100,365.21 and 10,764,900.35 is: 14,841,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128,410.37 : 18,100,365.21 = 10,764,900.35 : x
  2. Step 2: Convert to fraction form
    13,128,410.37/18,100,365.21 = 10,764,900.35/x
  3. Step 3: Cross multiply
    13,128,410.37x = 18,100,365.21 × 10,764,900.35
  4. Step 4: Simplify right side
    13,128,410.37x = 194,848,627,693,755.03
  5. Step 5: Solve for x
    x = 194,848,627,693,755.03/13,128,410.37
  6. Step 6: Final answer
    x = 14,841,753.28

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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.