Finding the Fourth Proportional to 11,676,883.25, 17,515,398.69 and 7,658,894.05
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Solution
The fourth proportional to 11,676,883.25, 17,515,398.69 and 7,658,894.05 is: 11,488,389.48
Step by Step Solution
- Step 1: Write the proportion equation
11,676,883.25 : 17,515,398.69 = 7,658,894.05 : x - Step 2: Convert to fraction form
11,676,883.25/17,515,398.69 = 7,658,894.05/x - Step 3: Cross multiply
11,676,883.25x = 17,515,398.69 × 7,658,894.05 - Step 4: Simplify right side
11,676,883.25x = 134,148,582,766,430.31 - Step 5: Solve for x
x = 134,148,582,766,430.31/11,676,883.25 - Step 6: Final answer
x = 11,488,389.48
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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.