Finding the Fourth Proportional to 11,830,959.24, 16,326,734.60 and 6,398,451.24
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Solution
The fourth proportional to 11,830,959.24, 16,326,734.60 and 6,398,451.24 is: 8,829,868.58
Step by Step Solution
- Step 1: Write the proportion equation
11,830,959.24 : 16,326,734.60 = 6,398,451.24 : x - Step 2: Convert to fraction form
11,830,959.24/16,326,734.60 = 6,398,451.24/x - Step 3: Cross multiply
11,830,959.24x = 16,326,734.60 × 6,398,451.24 - Step 4: Simplify right side
11,830,959.24x = 104,465,815,246,520.91 - Step 5: Solve for x
x = 104,465,815,246,520.91/11,830,959.24 - Step 6: Final answer
x = 8,829,868.58
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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.