Finding the Fourth Proportional to 11,397,878.55, 15,729,046.16 and 6,241,194.99
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Solution
The fourth proportional to 11,397,878.55, 15,729,046.16 and 6,241,194.99 is: 8,612,834.72
Step by Step Solution
- Step 1: Write the proportion equation
11,397,878.55 : 15,729,046.16 = 6,241,194.99 : x - Step 2: Convert to fraction form
11,397,878.55/15,729,046.16 = 6,241,194.99/x - Step 3: Cross multiply
11,397,878.55x = 15,729,046.16 × 6,241,194.99 - Step 4: Simplify right side
11,397,878.55x = 98,168,044,060,064.77 - Step 5: Solve for x
x = 98,168,044,060,064.77/11,397,878.55 - Step 6: Final answer
x = 8,612,834.72
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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.