Finding the Fourth Proportional to 39,613,727.52, 54,664,206.84 and 21,970,965.24
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Solution
The fourth proportional to 39,613,727.52, 54,664,206.84 and 21,970,965.24 is: 30,318,413.93
Step by Step Solution
- Step 1: Write the proportion equation
39,613,727.52 : 54,664,206.84 = 21,970,965.24 : x - Step 2: Convert to fraction form
39,613,727.52/54,664,206.84 = 21,970,965.24/x - Step 3: Cross multiply
39,613,727.52x = 54,664,206.84 × 21,970,965.24 - Step 4: Simplify right side
39,613,727.52x = 1,201,025,388,353,810.25 - Step 5: Solve for x
x = 1,201,025,388,353,810.25/39,613,727.52 - Step 6: Final answer
x = 30,318,413.93
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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.