Home / 28,502,208.48-39,331,993.94-15,449,187.14

Finding the Fourth Proportional to 28,502,208.48, 39,331,993.94 and 15,449,187.14

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Solution

The fourth proportional to 28,502,208.48, 39,331,993.94 and 15,449,187.14 is: 21,319,307.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,208.48 : 39,331,993.94 = 15,449,187.14 : x
  2. Step 2: Convert to fraction form
    28,502,208.48/39,331,993.94 = 15,449,187.14/x
  3. Step 3: Cross multiply
    28,502,208.48x = 39,331,993.94 × 15,449,187.14
  4. Step 4: Simplify right side
    28,502,208.48x = 607,647,334,694,500
  5. Step 5: Solve for x
    x = 607,647,334,694,500/28,502,208.48
  6. Step 6: Final answer
    x = 21,319,307.07

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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.