Home / 30,613,485.21-42,246,247.56-16,674,796.54

Finding the Fourth Proportional to 30,613,485.21, 42,246,247.56 and 16,674,796.54

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Solution

The fourth proportional to 30,613,485.21, 42,246,247.56 and 16,674,796.54 is: 23,011,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613,485.21 : 42,246,247.56 = 16,674,796.54 : x
  2. Step 2: Convert to fraction form
    30,613,485.21/42,246,247.56 = 16,674,796.54/x
  3. Step 3: Cross multiply
    30,613,485.21x = 42,246,247.56 × 16,674,796.54
  4. Step 4: Simplify right side
    30,613,485.21x = 704,447,582,487,926
  5. Step 5: Solve for x
    x = 704,447,582,487,926/30,613,485.21
  6. Step 6: Final answer
    x = 23,011,022.03

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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.