Finding the Fourth Proportional to 7,852,541.49, 11,778,812.24 and 2,461,220.24
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Solution
The fourth proportional to 7,852,541.49, 11,778,812.24 and 2,461,220.24 is: 3,691,830.35
Step by Step Solution
- Step 1: Write the proportion equation
7,852,541.49 : 11,778,812.24 = 2,461,220.24 : x - Step 2: Convert to fraction form
7,852,541.49/11,778,812.24 = 2,461,220.24/x - Step 3: Cross multiply
7,852,541.49x = 11,778,812.24 × 2,461,220.24 - Step 4: Simplify right side
7,852,541.49x = 28,990,251,017,047.57 - Step 5: Solve for x
x = 28,990,251,017,047.57/7,852,541.49 - Step 6: Final answer
x = 3,691,830.35
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Double scale
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Similar ratio
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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.