Finding the Fourth Proportional to 11,708,197.92, 17,549,855.28 and 5,639,146.56
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Solution
The fourth proportional to 11,708,197.92, 17,549,855.28 and 5,639,146.56 is: 8,452,727.46
Step by Step Solution
- Step 1: Write the proportion equation
11,708,197.92 : 17,549,855.28 = 5,639,146.56 : x - Step 2: Convert to fraction form
11,708,197.92/17,549,855.28 = 5,639,146.56/x - Step 3: Cross multiply
11,708,197.92x = 17,549,855.28 × 5,639,146.56 - Step 4: Simplify right side
11,708,197.92x = 98,966,206,030,709.84 - Step 5: Solve for x
x = 98,966,206,030,709.84/11,708,197.92 - Step 6: Final answer
x = 8,452,727.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.