Finding the Fourth Proportional to 7,694,522.40, 11,526,577.20 and 6,748,960.80
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Solution
The fourth proportional to 7,694,522.40, 11,526,577.20 and 6,748,960.80 is: 10,110,103.48
Step by Step Solution
- Step 1: Write the proportion equation
7,694,522.40 : 11,526,577.20 = 6,748,960.80 : x - Step 2: Convert to fraction form
7,694,522.40/11,526,577.20 = 6,748,960.80/x - Step 3: Cross multiply
7,694,522.40x = 11,526,577.20 × 6,748,960.80 - Step 4: Simplify right side
7,694,522.40x = 77,792,417,680,973.75 - Step 5: Solve for x
x = 77,792,417,680,973.75/7,694,522.40 - Step 6: Final answer
x = 10,110,103.48
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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.