Finding the Fourth Proportional to 39,020,174.08, 53,847,842.68 and 21,379,151.68
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Solution
The fourth proportional to 39,020,174.08, 53,847,842.68 and 21,379,151.68 is: 29,503,230.66
Step by Step Solution
- Step 1: Write the proportion equation
39,020,174.08 : 53,847,842.68 = 21,379,151.68 : x - Step 2: Convert to fraction form
39,020,174.08/53,847,842.68 = 21,379,151.68/x - Step 3: Cross multiply
39,020,174.08x = 53,847,842.68 × 21,379,151.68 - Step 4: Simplify right side
39,020,174.08x = 1,151,221,196,296,497.75 - Step 5: Solve for x
x = 1,151,221,196,296,497.75/39,020,174.08 - Step 6: Final answer
x = 29,503,230.66
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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.