Finding the Fourth Proportional to 8,685,701.99, 13,020,080.64 and 4,135,528.20
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Solution
The fourth proportional to 8,685,701.99, 13,020,080.64 and 4,135,528.20 is: 6,199,258.36
Step by Step Solution
- Step 1: Write the proportion equation
8,685,701.99 : 13,020,080.64 = 4,135,528.20 : x - Step 2: Convert to fraction form
8,685,701.99/13,020,080.64 = 4,135,528.20/x - Step 3: Cross multiply
8,685,701.99x = 13,020,080.64 × 4,135,528.20 - Step 4: Simplify right side
8,685,701.99x = 53,844,910,686,311.12 - Step 5: Solve for x
x = 53,844,910,686,311.12/8,685,701.99 - Step 6: Final answer
x = 6,199,258.36
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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.