Finding the Fourth Proportional to 11,479,234.48, 15,841,643.52 and 6,252,440.80
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Solution
The fourth proportional to 11,479,234.48, 15,841,643.52 and 6,252,440.80 is: 8,628,531.67
Step by Step Solution
- Step 1: Write the proportion equation
11,479,234.48 : 15,841,643.52 = 6,252,440.80 : x - Step 2: Convert to fraction form
11,479,234.48/15,841,643.52 = 6,252,440.80/x - Step 3: Cross multiply
11,479,234.48x = 15,841,643.52 × 6,252,440.80 - Step 4: Simplify right side
11,479,234.48x = 99,048,938,283,503.61 - Step 5: Solve for x
x = 99,048,938,283,503.61/11,479,234.48 - Step 6: Final answer
x = 8,628,531.67
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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.