Finding the Fourth Proportional to 13,227,199.86, 19,841,762.08 and 5,543,131.62
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Solution
The fourth proportional to 13,227,199.86, 19,841,762.08 and 5,543,131.62 is: 8,315,100.70
Step by Step Solution
- Step 1: Write the proportion equation
13,227,199.86 : 19,841,762.08 = 5,543,131.62 : x - Step 2: Convert to fraction form
13,227,199.86/19,841,762.08 = 5,543,131.62/x - Step 3: Cross multiply
13,227,199.86x = 19,841,762.08 × 5,543,131.62 - Step 4: Simplify right side
13,227,199.86x = 109,985,498,782,164.97 - Step 5: Solve for x
x = 109,985,498,782,164.97/13,227,199.86 - Step 6: Final answer
x = 8,315,100.70
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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.