Finding the Fourth Proportional to 8,129,626.68, 11,218,076.46 and 4,692,974.92
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Solution
The fourth proportional to 8,129,626.68, 11,218,076.46 and 4,692,974.92 is: 6,475,838.75
Step by Step Solution
- Step 1: Write the proportion equation
8,129,626.68 : 11,218,076.46 = 4,692,974.92 : x - Step 2: Convert to fraction form
8,129,626.68/11,218,076.46 = 4,692,974.92/x - Step 3: Cross multiply
8,129,626.68x = 11,218,076.46 × 4,692,974.92 - Step 4: Simplify right side
8,129,626.68x = 52,646,151,477,422.38 - Step 5: Solve for x
x = 52,646,151,477,422.38/8,129,626.68 - Step 6: Final answer
x = 6,475,838.75
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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.