Finding the Fourth Proportional to 8,312,776, 11,479,554.36 and 7,859,894.82
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Solution
The fourth proportional to 8,312,776, 11,479,554.36 and 7,859,894.82 is: 10,854,146.66
Step by Step Solution
- Step 1: Write the proportion equation
8,312,776 : 11,479,554.36 = 7,859,894.82 : x - Step 2: Convert to fraction form
8,312,776/11,479,554.36 = 7,859,894.82/x - Step 3: Cross multiply
8,312,776x = 11,479,554.36 × 7,859,894.82 - Step 4: Simplify right side
8,312,776x = 90,228,089,850,072.41 - Step 5: Solve for x
x = 90,228,089,850,072.41/8,312,776 - Step 6: Final answer
x = 10,854,146.66
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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.