Home / 22,470,189.21-31,030,277.11-21,246,030.54

Finding the Fourth Proportional to 22,470,189.21, 31,030,277.11 and 21,246,030.54

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Solution

The fourth proportional to 22,470,189.21, 31,030,277.11 and 21,246,030.54 is: 29,339,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470,189.21 : 31,030,277.11 = 21,246,030.54 : x
  2. Step 2: Convert to fraction form
    22,470,189.21/31,030,277.11 = 21,246,030.54/x
  3. Step 3: Cross multiply
    22,470,189.21x = 31,030,277.11 × 21,246,030.54
  4. Step 4: Simplify right side
    22,470,189.21x = 659,270,215,090,607.88
  5. Step 5: Solve for x
    x = 659,270,215,090,607.88/22,470,189.21
  6. Step 6: Final answer
    x = 29,339,771.42

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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.