Finding the Fourth Proportional to 10,728,584.80, 14,801,823.84 and 6,081,871.68
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Solution
The fourth proportional to 10,728,584.80, 14,801,823.84 and 6,081,871.68 is: 8,390,928.99
Step by Step Solution
- Step 1: Write the proportion equation
10,728,584.80 : 14,801,823.84 = 6,081,871.68 : x - Step 2: Convert to fraction form
10,728,584.80/14,801,823.84 = 6,081,871.68/x - Step 3: Cross multiply
10,728,584.80x = 14,801,823.84 × 6,081,871.68 - Step 4: Simplify right side
10,728,584.80x = 90,022,793,224,844.84 - Step 5: Solve for x
x = 90,022,793,224,844.84/10,728,584.80 - Step 6: Final answer
x = 8,390,928.99
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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.