Finding the Fourth Proportional to 12,519,941.67, 17,277,699.12 and 7,292,816.07
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Solution
The fourth proportional to 12,519,941.67, 17,277,699.12 and 7,292,816.07 is: 10,064,190.80
Step by Step Solution
- Step 1: Write the proportion equation
12,519,941.67 : 17,277,699.12 = 7,292,816.07 : x - Step 2: Convert to fraction form
12,519,941.67/17,277,699.12 = 7,292,816.07/x - Step 3: Cross multiply
12,519,941.67x = 17,277,699.12 × 7,292,816.07 - Step 4: Simplify right side
12,519,941.67x = 126,003,081,794,960.88 - Step 5: Solve for x
x = 126,003,081,794,960.88/12,519,941.67 - Step 6: Final answer
x = 10,064,190.80
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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.