Home / 28,315,365.75-39,078,203.23-17,308,558.44

Finding the Fourth Proportional to 28,315,365.75, 39,078,203.23 and 17,308,558.44

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Solution

The fourth proportional to 28,315,365.75, 39,078,203.23 and 17,308,558.44 is: 23,887,643.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,315,365.75 : 39,078,203.23 = 17,308,558.44 : x
  2. Step 2: Convert to fraction form
    28,315,365.75/39,078,203.23 = 17,308,558.44/x
  3. Step 3: Cross multiply
    28,315,365.75x = 39,078,203.23 × 17,308,558.44
  4. Step 4: Simplify right side
    28,315,365.75x = 676,387,364,336,651.75
  5. Step 5: Solve for x
    x = 676,387,364,336,651.75/28,315,365.75
  6. Step 6: Final answer
    x = 23,887,643.56

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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.