Finding the Fourth Proportional to 17,571,433.52, 26,374,194.12 and 8,479,929.20
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Solution
The fourth proportional to 17,571,433.52, 26,374,194.12 and 8,479,929.20 is: 12,728,119.11
Step by Step Solution
- Step 1: Write the proportion equation
17,571,433.52 : 26,374,194.12 = 8,479,929.20 : x - Step 2: Convert to fraction form
17,571,433.52/26,374,194.12 = 8,479,929.20/x - Step 3: Cross multiply
17,571,433.52x = 26,374,194.12 × 8,479,929.20 - Step 4: Simplify right side
17,571,433.52x = 223,651,298,844,656.28 - Step 5: Solve for x
x = 223,651,298,844,656.28/17,571,433.52 - Step 6: Final answer
x = 12,728,119.11
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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.