Finding the Fourth Proportional to 8,307,643.20, 12,452,133.60 and 3,514,516.80
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Solution
The fourth proportional to 8,307,643.20, 12,452,133.60 and 3,514,516.80 is: 5,267,827.67
Step by Step Solution
- Step 1: Write the proportion equation
8,307,643.20 : 12,452,133.60 = 3,514,516.80 : x - Step 2: Convert to fraction form
8,307,643.20/12,452,133.60 = 3,514,516.80/x - Step 3: Cross multiply
8,307,643.20x = 12,452,133.60 × 3,514,516.80 - Step 4: Simplify right side
8,307,643.20x = 43,763,232,733,044.48 - Step 5: Solve for x
x = 43,763,232,733,044.48/8,307,643.20 - Step 6: Final answer
x = 5,267,827.67
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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.