Finding the Fourth Proportional to 18,441,638.70, 27,662,458.05 and 17,181,926.70
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Solution
The fourth proportional to 18,441,638.70, 27,662,458.05 and 17,181,926.70 is: 25,772,890.05
Step by Step Solution
- Step 1: Write the proportion equation
18,441,638.70 : 27,662,458.05 = 17,181,926.70 : x - Step 2: Convert to fraction form
18,441,638.70/27,662,458.05 = 17,181,926.70/x - Step 3: Cross multiply
18,441,638.70x = 27,662,458.05 × 17,181,926.70 - Step 4: Simplify right side
18,441,638.70x = 475,294,326,556,924.94 - Step 5: Solve for x
x = 475,294,326,556,924.94/18,441,638.70 - Step 6: Final answer
x = 25,772,890.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.