Finding the Fourth Proportional to 18,670,243.26, 28,010,090.96 and 5,207,071.26
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Solution
The fourth proportional to 18,670,243.26, 28,010,090.96 and 5,207,071.26 is: 7,811,924.98
Step by Step Solution
- Step 1: Write the proportion equation
18,670,243.26 : 28,010,090.96 = 5,207,071.26 : x - Step 2: Convert to fraction form
18,670,243.26/28,010,090.96 = 5,207,071.26/x - Step 3: Cross multiply
18,670,243.26x = 28,010,090.96 × 5,207,071.26 - Step 4: Simplify right side
18,670,243.26x = 145,850,539,627,801.81 - Step 5: Solve for x
x = 145,850,539,627,801.81/18,670,243.26 - Step 6: Final answer
x = 7,811,924.98
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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.