Finding the Fourth Proportional to 13,520,716.04, 20,266,902.29 and 4,995,615.08
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Solution
The fourth proportional to 13,520,716.04, 20,266,902.29 and 4,995,615.08 is: 7,488,186.45
Step by Step Solution
- Step 1: Write the proportion equation
13,520,716.04 : 20,266,902.29 = 4,995,615.08 : x - Step 2: Convert to fraction form
13,520,716.04/20,266,902.29 = 4,995,615.08/x - Step 3: Cross multiply
13,520,716.04x = 20,266,902.29 × 4,995,615.08 - Step 4: Simplify right side
13,520,716.04x = 101,245,642,679,832.45 - Step 5: Solve for x
x = 101,245,642,679,832.45/13,520,716.04 - Step 6: Final answer
x = 7,488,186.45
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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.