Home / 36,428,617.82-54,627,372.74-21,086,497.40

Finding the Fourth Proportional to 36,428,617.82, 54,627,372.74 and 21,086,497.40

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Solution

The fourth proportional to 36,428,617.82, 54,627,372.74 and 21,086,497.40 is: 31,620,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428,617.82 : 54,627,372.74 = 21,086,497.40 : x
  2. Step 2: Convert to fraction form
    36,428,617.82/54,627,372.74 = 21,086,497.40/x
  3. Step 3: Cross multiply
    36,428,617.82x = 54,627,372.74 × 21,086,497.40
  4. Step 4: Simplify right side
    36,428,617.82x = 1,151,899,953,030,420.25
  5. Step 5: Solve for x
    x = 1,151,899,953,030,420.25/36,428,617.82
  6. Step 6: Final answer
    x = 31,620,742.75

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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.