Finding the Fourth Proportional to 6,735,121.20, 10,102,681.80 and 4,042,486.80
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Solution
The fourth proportional to 6,735,121.20, 10,102,681.80 and 4,042,486.80 is: 6,063,730.20
Step by Step Solution
- Step 1: Write the proportion equation
6,735,121.20 : 10,102,681.80 = 4,042,486.80 : x - Step 2: Convert to fraction form
6,735,121.20/10,102,681.80 = 4,042,486.80/x - Step 3: Cross multiply
6,735,121.20x = 10,102,681.80 × 4,042,486.80 - Step 4: Simplify right side
6,735,121.20x = 40,839,957,821,100.24 - Step 5: Solve for x
x = 40,839,957,821,100.24/6,735,121.20 - Step 6: Final answer
x = 6,063,730.20
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1.5x scale
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.