Finding the Fourth Proportional to 7,971,450.84, 11,959,074.45 and 2,580,102.18
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Solution
The fourth proportional to 7,971,450.84, 11,959,074.45 and 2,580,102.18 is: 3,870,767.65
Step by Step Solution
- Step 1: Write the proportion equation
7,971,450.84 : 11,959,074.45 = 2,580,102.18 : x - Step 2: Convert to fraction form
7,971,450.84/11,959,074.45 = 2,580,102.18/x - Step 3: Cross multiply
7,971,450.84x = 11,959,074.45 × 2,580,102.18 - Step 4: Simplify right side
7,971,450.84x = 30,855,634,059,227.30 - Step 5: Solve for x
x = 30,855,634,059,227.30/7,971,450.84 - Step 6: Final answer
x = 3,870,767.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.