Finding the Fourth Proportional to 7,971,819.88, 10,998,236.58 and 6,136,840.04
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Solution
The fourth proportional to 7,971,819.88, 10,998,236.58 and 6,136,840.04 is: 8,466,626.14
Step by Step Solution
- Step 1: Write the proportion equation
7,971,819.88 : 10,998,236.58 = 6,136,840.04 : x - Step 2: Convert to fraction form
7,971,819.88/10,998,236.58 = 6,136,840.04/x - Step 3: Cross multiply
7,971,819.88x = 10,998,236.58 × 6,136,840.04 - Step 4: Simplify right side
7,971,819.88x = 67,494,418,613,536.66 - Step 5: Solve for x
x = 67,494,418,613,536.66/7,971,819.88 - Step 6: Final answer
x = 8,466,626.14
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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.