Finding the Fourth Proportional to 7,755,538.16, 11,638,620.84 and 2,706,848.66
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Solution
The fourth proportional to 7,755,538.16, 11,638,620.84 and 2,706,848.66 is: 4,062,127.55
Step by Step Solution
- Step 1: Write the proportion equation
7,755,538.16 : 11,638,620.84 = 2,706,848.66 : x - Step 2: Convert to fraction form
7,755,538.16/11,638,620.84 = 2,706,848.66/x - Step 3: Cross multiply
7,755,538.16x = 11,638,620.84 × 2,706,848.66 - Step 4: Simplify right side
7,755,538.16x = 31,503,985,225,002.07 - Step 5: Solve for x
x = 31,503,985,225,002.07/7,755,538.16 - Step 6: Final answer
x = 4,062,127.55
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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.