Finding the Fourth Proportional to 13,163,533.80, 19,745,300.70 and 8,858,861.70
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Solution
The fourth proportional to 13,163,533.80, 19,745,300.70 and 8,858,861.70 is: 13,288,292.55
Step by Step Solution
- Step 1: Write the proportion equation
13,163,533.80 : 19,745,300.70 = 8,858,861.70 : x - Step 2: Convert to fraction form
13,163,533.80/19,745,300.70 = 8,858,861.70/x - Step 3: Cross multiply
13,163,533.80x = 19,745,300.70 × 8,858,861.70 - Step 4: Simplify right side
13,163,533.80x = 174,920,888,126,213.16 - Step 5: Solve for x
x = 174,920,888,126,213.16/13,163,533.80 - Step 6: Final answer
x = 13,288,292.55
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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.