Finding the Fourth Proportional to 14,272,350.93, 21,403,728.09 and 5,172,543.77
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Solution
The fourth proportional to 14,272,350.93, 21,403,728.09 and 5,172,543.77 is: 7,757,076.66
Step by Step Solution
- Step 1: Write the proportion equation
14,272,350.93 : 21,403,728.09 = 5,172,543.77 : x - Step 2: Convert to fraction form
14,272,350.93/21,403,728.09 = 5,172,543.77/x - Step 3: Cross multiply
14,272,350.93x = 21,403,728.09 × 5,172,543.77 - Step 4: Simplify right side
14,272,350.93x = 110,711,720,279,684.84 - Step 5: Solve for x
x = 110,711,720,279,684.84/14,272,350.93 - Step 6: Final answer
x = 7,757,076.66
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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.