Finding the Fourth Proportional to 8,618,279.93, 11,893,307.12 and 4,750,939.45
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Solution
The fourth proportional to 8,618,279.93, 11,893,307.12 and 4,750,939.45 is: 6,556,340.99
Step by Step Solution
- Step 1: Write the proportion equation
8,618,279.93 : 11,893,307.12 = 4,750,939.45 : x - Step 2: Convert to fraction form
8,618,279.93/11,893,307.12 = 4,750,939.45/x - Step 3: Cross multiply
8,618,279.93x = 11,893,307.12 × 4,750,939.45 - Step 4: Simplify right side
8,618,279.93x = 56,504,381,987,373.88 - Step 5: Solve for x
x = 56,504,381,987,373.88/8,618,279.93 - Step 6: Final answer
x = 6,556,340.99
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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.