Finding the Fourth Proportional to 11,471,409.48, 15,830,746.44 and 6,244,567.92
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Solution
The fourth proportional to 11,471,409.48, 15,830,746.44 and 6,244,567.92 is: 8,617,613.34
Step by Step Solution
- Step 1: Write the proportion equation
11,471,409.48 : 15,830,746.44 = 6,244,567.92 : x - Step 2: Convert to fraction form
11,471,409.48/15,830,746.44 = 6,244,567.92/x - Step 3: Cross multiply
11,471,409.48x = 15,830,746.44 × 6,244,567.92 - Step 4: Simplify right side
11,471,409.48x = 98,856,171,368,878.20 - Step 5: Solve for x
x = 98,856,171,368,878.20/11,471,409.48 - Step 6: Final answer
x = 8,617,613.34
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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.