Finding the Fourth Proportional to 16,608,205.80, 24,912,308.70 and 12,303,533.70
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Solution
The fourth proportional to 16,608,205.80, 24,912,308.70 and 12,303,533.70 is: 18,455,300.55
Step by Step Solution
- Step 1: Write the proportion equation
16,608,205.80 : 24,912,308.70 = 12,303,533.70 : x - Step 2: Convert to fraction form
16,608,205.80/24,912,308.70 = 12,303,533.70/x - Step 3: Cross multiply
16,608,205.80x = 24,912,308.70 × 12,303,533.70 - Step 4: Simplify right side
16,608,205.80x = 306,509,429,635,253.19 - Step 5: Solve for x
x = 306,509,429,635,253.19/16,608,205.80 - Step 6: Final answer
x = 18,455,300.55
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Double scale
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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.