Finding the Fourth Proportional to 8,129,554.04, 11,217,976.26 and 4,692,902.24
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Solution
The fourth proportional to 8,129,554.04, 11,217,976.26 and 4,692,902.24 is: 6,475,738.48
Step by Step Solution
- Step 1: Write the proportion equation
8,129,554.04 : 11,217,976.26 = 4,692,902.24 : x - Step 2: Convert to fraction form
8,129,554.04/11,217,976.26 = 4,692,902.24/x - Step 3: Cross multiply
8,129,554.04x = 11,217,976.26 × 4,692,902.24 - Step 4: Simplify right side
8,129,554.04x = 52,644,865,918,820.82 - Step 5: Solve for x
x = 52,644,865,918,820.82/8,129,554.04 - Step 6: Final answer
x = 6,475,738.48
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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.