Finding the Fourth Proportional to 7,774,126.36, 10,728,561.18 and 4,510,694.68
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Solution
The fourth proportional to 7,774,126.36, 10,728,561.18 and 4,510,694.68 is: 6,224,913.46
Step by Step Solution
- Step 1: Write the proportion equation
7,774,126.36 : 10,728,561.18 = 4,510,694.68 : x - Step 2: Convert to fraction form
7,774,126.36/10,728,561.18 = 4,510,694.68/x - Step 3: Cross multiply
7,774,126.36x = 10,728,561.18 × 4,510,694.68 - Step 4: Simplify right side
7,774,126.36x = 48,393,263,838,680.52 - Step 5: Solve for x
x = 48,393,263,838,680.52/7,774,126.36 - Step 6: Final answer
x = 6,224,913.46
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1.5x scale
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.