Home / 38,647,035.77-53,332,311.62-21,243,007.02

Finding the Fourth Proportional to 38,647,035.77, 53,332,311.62 and 21,243,007.02

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Solution

The fourth proportional to 38,647,035.77, 53,332,311.62 and 21,243,007.02 is: 29,315,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647,035.77 : 53,332,311.62 = 21,243,007.02 : x
  2. Step 2: Convert to fraction form
    38,647,035.77/53,332,311.62 = 21,243,007.02/x
  3. Step 3: Cross multiply
    38,647,035.77x = 53,332,311.62 × 21,243,007.02
  4. Step 4: Simplify right side
    38,647,035.77x = 1,132,938,670,189,595
  5. Step 5: Solve for x
    x = 1,132,938,670,189,595/38,647,035.77
  6. Step 6: Final answer
    x = 29,315,021.13

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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.