Finding the Fourth Proportional to 18,775,610.24, 25,902,088.54 and 11,329,118.75
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Solution
The fourth proportional to 18,775,610.24, 25,902,088.54 and 11,329,118.75 is: 15,629,203.69
Step by Step Solution
- Step 1: Write the proportion equation
18,775,610.24 : 25,902,088.54 = 11,329,118.75 : x - Step 2: Convert to fraction form
18,775,610.24/25,902,088.54 = 11,329,118.75/x - Step 3: Cross multiply
18,775,610.24x = 25,902,088.54 × 11,329,118.75 - Step 4: Simplify right side
18,775,610.24x = 293,447,836,833,407.31 - Step 5: Solve for x
x = 293,447,836,833,407.31/18,775,610.24 - Step 6: Final answer
x = 15,629,203.69
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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.