Home / 30,147,739.72-45,226,093.53-13,975,325.79

Finding the Fourth Proportional to 30,147,739.72, 45,226,093.53 and 13,975,325.79

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Solution

The fourth proportional to 30,147,739.72, 45,226,093.53 and 13,975,325.79 is: 20,965,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,739.72 : 45,226,093.53 = 13,975,325.79 : x
  2. Step 2: Convert to fraction form
    30,147,739.72/45,226,093.53 = 13,975,325.79/x
  3. Step 3: Cross multiply
    30,147,739.72x = 45,226,093.53 × 13,975,325.79
  4. Step 4: Simplify right side
    30,147,739.72x = 632,049,391,173,570.75
  5. Step 5: Solve for x
    x = 632,049,391,173,570.75/30,147,739.72
  6. Step 6: Final answer
    x = 20,965,067.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.