Finding the Fourth Proportional to 11,361,722.62, 15,679,194.61 and 6,466,944.68
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Solution
The fourth proportional to 11,361,722.62, 15,679,194.61 and 6,466,944.68 is: 8,924,393.56
Step by Step Solution
- Step 1: Write the proportion equation
11,361,722.62 : 15,679,194.61 = 6,466,944.68 : x - Step 2: Convert to fraction form
11,361,722.62/15,679,194.61 = 6,466,944.68/x - Step 3: Cross multiply
11,361,722.62x = 15,679,194.61 × 6,466,944.68 - Step 4: Simplify right side
11,361,722.62x = 101,396,484,169,824.17 - Step 5: Solve for x
x = 101,396,484,169,824.17/11,361,722.62 - Step 6: Final answer
x = 8,924,393.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.