Finding the Fourth Proportional to 14,936,895.91, 20,613,552.47 and 8,321,480.62
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Solution
The fourth proportional to 14,936,895.91, 20,613,552.47 and 8,321,480.62 is: 11,483,997.64
Step by Step Solution
- Step 1: Write the proportion equation
14,936,895.91 : 20,613,552.47 = 8,321,480.62 : x - Step 2: Convert to fraction form
14,936,895.91/20,613,552.47 = 8,321,480.62/x - Step 3: Cross multiply
14,936,895.91x = 20,613,552.47 × 8,321,480.62 - Step 4: Simplify right side
14,936,895.91x = 171,535,277,388,458.12 - Step 5: Solve for x
x = 171,535,277,388,458.12/14,936,895.91 - Step 6: Final answer
x = 11,483,997.64
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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.