Finding the Fourth Proportional to 21,448,625.33, 29,613,354.71 and 16,478,212.65
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Solution
The fourth proportional to 21,448,625.33, 29,613,354.71 and 16,478,212.65 is: 22,750,882.56
Step by Step Solution
- Step 1: Write the proportion equation
21,448,625.33 : 29,613,354.71 = 16,478,212.65 : x - Step 2: Convert to fraction form
21,448,625.33/29,613,354.71 = 16,478,212.65/x - Step 3: Cross multiply
21,448,625.33x = 29,613,354.71 × 16,478,212.65 - Step 4: Simplify right side
21,448,625.33x = 487,975,155,997,817.94 - Step 5: Solve for x
x = 487,975,155,997,817.94/21,448,625.33 - Step 6: Final answer
x = 22,750,882.56
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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.