Home / 13,346,481.02-18,416,997.81-7,765,760.03

Finding the Fourth Proportional to 13,346,481.02, 18,416,997.81 and 7,765,760.03

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Solution

The fourth proportional to 13,346,481.02, 18,416,997.81 and 7,765,760.03 is: 10,716,082.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346,481.02 : 18,416,997.81 = 7,765,760.03 : x
  2. Step 2: Convert to fraction form
    13,346,481.02/18,416,997.81 = 7,765,760.03/x
  3. Step 3: Cross multiply
    13,346,481.02x = 18,416,997.81 × 7,765,760.03
  4. Step 4: Simplify right side
    13,346,481.02x = 143,021,985,373,410.53
  5. Step 5: Solve for x
    x = 143,021,985,373,410.53/13,346,481.02
  6. Step 6: Final answer
    x = 10,716,082.03

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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.