Finding the Fourth Proportional to 11,742,296.04, 16,197,486.66 and 7,384,470.12
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Solution
The fourth proportional to 11,742,296.04, 16,197,486.66 and 7,384,470.12 is: 10,186,240.91
Step by Step Solution
- Step 1: Write the proportion equation
11,742,296.04 : 16,197,486.66 = 7,384,470.12 : x - Step 2: Convert to fraction form
11,742,296.04/16,197,486.66 = 7,384,470.12/x - Step 3: Cross multiply
11,742,296.04x = 16,197,486.66 × 7,384,470.12 - Step 4: Simplify right side
11,742,296.04x = 119,609,856,259,868.61 - Step 5: Solve for x
x = 119,609,856,259,868.61/11,742,296.04 - Step 6: Final answer
x = 10,186,240.91
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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.