Finding the Fourth Proportional to 11,553,582.94, 15,944,442.24 and 6,396,944.20
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Solution
The fourth proportional to 11,553,582.94, 15,944,442.24 and 6,396,944.20 is: 8,828,058.61
Step by Step Solution
- Step 1: Write the proportion equation
11,553,582.94 : 15,944,442.24 = 6,396,944.20 : x - Step 2: Convert to fraction form
11,553,582.94/15,944,442.24 = 6,396,944.20/x - Step 3: Cross multiply
11,553,582.94x = 15,944,442.24 × 6,396,944.20 - Step 4: Simplify right side
11,553,582.94x = 101,995,707,309,403.02 - Step 5: Solve for x
x = 101,995,707,309,403.02/11,553,582.94 - Step 6: Final answer
x = 8,828,058.61
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1.5x scale
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.