Home / 39,366,011.72-54,325,130.24-21,962,360.54

Finding the Fourth Proportional to 39,366,011.72, 54,325,130.24 and 21,962,360.54

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Solution

The fourth proportional to 39,366,011.72, 54,325,130.24 and 21,962,360.54 is: 30,308,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,011.72 : 54,325,130.24 = 21,962,360.54 : x
  2. Step 2: Convert to fraction form
    39,366,011.72/54,325,130.24 = 21,962,360.54/x
  3. Step 3: Cross multiply
    39,366,011.72x = 54,325,130.24 × 21,962,360.54
  4. Step 4: Simplify right side
    39,366,011.72x = 1,193,108,096,713,336.75
  5. Step 5: Solve for x
    x = 1,193,108,096,713,336.75/39,366,011.72
  6. Step 6: Final answer
    x = 30,308,076.55

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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.