Finding the Fourth Proportional to 7,766,468.62, 10,717,738.51 and 4,328,635.84
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Solution
The fourth proportional to 7,766,468.62, 10,717,738.51 and 4,328,635.84 is: 5,973,524.04
Step by Step Solution
- Step 1: Write the proportion equation
7,766,468.62 : 10,717,738.51 = 4,328,635.84 : x - Step 2: Convert to fraction form
7,766,468.62/10,717,738.51 = 4,328,635.84/x - Step 3: Cross multiply
7,766,468.62x = 10,717,738.51 × 4,328,635.84 - Step 4: Simplify right side
7,766,468.62x = 46,393,187,038,134.20 - Step 5: Solve for x
x = 46,393,187,038,134.20/7,766,468.62 - Step 6: Final answer
x = 5,973,524.04
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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.