Home / 28,546,638.54-39,393,307.44-15,493,617.18

Finding the Fourth Proportional to 28,546,638.54, 39,393,307.44 and 15,493,617.18

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Solution

The fourth proportional to 28,546,638.54, 39,393,307.44 and 15,493,617.18 is: 21,380,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546,638.54 : 39,393,307.44 = 15,493,617.18 : x
  2. Step 2: Convert to fraction form
    28,546,638.54/39,393,307.44 = 15,493,617.18/x
  3. Step 3: Cross multiply
    28,546,638.54x = 39,393,307.44 × 15,493,617.18
  4. Step 4: Simplify right side
    28,546,638.54x = 610,344,824,929,405.75
  5. Step 5: Solve for x
    x = 610,344,824,929,405.75/28,546,638.54
  6. Step 6: Final answer
    x = 21,380,619.79

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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.