Finding the Fourth Proportional to 39,097,745.36, 53,957,844.36 and 21,697,380.56
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Solution
The fourth proportional to 39,097,745.36, 53,957,844.36 and 21,697,380.56 is: 29,944,025.48
Step by Step Solution
- Step 1: Write the proportion equation
39,097,745.36 : 53,957,844.36 = 21,697,380.56 : x - Step 2: Convert to fraction form
39,097,745.36/53,957,844.36 = 21,697,380.56/x - Step 3: Cross multiply
39,097,745.36x = 53,957,844.36 × 21,697,380.56 - Step 4: Simplify right side
39,097,745.36x = 1,170,743,883,276,169.50 - Step 5: Solve for x
x = 1,170,743,883,276,169.50/39,097,745.36 - Step 6: Final answer
x = 29,944,025.48
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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.