Finding the Fourth Proportional to 7,027,473.60, 9,697,510.92 and 3,887,549.68
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Solution
The fourth proportional to 7,027,473.60, 9,697,510.92 and 3,887,549.68 is: 5,364,595.82
Step by Step Solution
- Step 1: Write the proportion equation
7,027,473.60 : 9,697,510.92 = 3,887,549.68 : x - Step 2: Convert to fraction form
7,027,473.60/9,697,510.92 = 3,887,549.68/x - Step 3: Cross multiply
7,027,473.60x = 9,697,510.92 × 3,887,549.68 - Step 4: Simplify right side
7,027,473.60x = 37,699,555,473,842.51 - Step 5: Solve for x
x = 37,699,555,473,842.51/7,027,473.60 - Step 6: Final answer
x = 5,364,595.82
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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.