Finding the Fourth Proportional to 7,650,623, 10,557,859.74 and 4,212,855.84
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Solution
The fourth proportional to 7,650,623, 10,557,859.74 and 4,212,855.84 is: 5,813,741.06
Step by Step Solution
- Step 1: Write the proportion equation
7,650,623 : 10,557,859.74 = 4,212,855.84 : x - Step 2: Convert to fraction form
7,650,623/10,557,859.74 = 4,212,855.84/x - Step 3: Cross multiply
7,650,623x = 10,557,859.74 × 4,212,855.84 - Step 4: Simplify right side
7,650,623x = 44,478,741,063,559.88 - Step 5: Solve for x
x = 44,478,741,063,559.88/7,650,623 - Step 6: Final answer
x = 5,813,741.06
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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.