Finding the Fourth Proportional to 13,970,273.22, 19,279,612.08 and 7,775,716.01
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Solution
The fourth proportional to 13,970,273.22, 19,279,612.08 and 7,775,716.01 is: 10,730,841.54
Step by Step Solution
- Step 1: Write the proportion equation
13,970,273.22 : 19,279,612.08 = 7,775,716.01 : x - Step 2: Convert to fraction form
13,970,273.22/19,279,612.08 = 7,775,716.01/x - Step 3: Cross multiply
13,970,273.22x = 19,279,612.08 × 7,775,716.01 - Step 4: Simplify right side
13,970,273.22x = 149,912,788,220,647.31 - Step 5: Solve for x
x = 149,912,788,220,647.31/13,970,273.22 - Step 6: Final answer
x = 10,730,841.54
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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.