Finding the Fourth Proportional to 11,102,279.93, 15,312,692.75 and 9,556,173.05
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Solution
The fourth proportional to 11,102,279.93, 15,312,692.75 and 9,556,173.05 is: 13,180,242.50
Step by Step Solution
- Step 1: Write the proportion equation
11,102,279.93 : 15,312,692.75 = 9,556,173.05 : x - Step 2: Convert to fraction form
11,102,279.93/15,312,692.75 = 9,556,173.05/x - Step 3: Cross multiply
11,102,279.93x = 15,312,692.75 × 9,556,173.05 - Step 4: Simplify right side
11,102,279.93x = 146,330,741,727,807.34 - Step 5: Solve for x
x = 146,330,741,727,807.34/11,102,279.93 - Step 6: Final answer
x = 13,180,242.50
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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.