Finding the Fourth Proportional to 11,975,401.22, 16,526,059.74 and 6,468,775.79
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Solution
The fourth proportional to 11,975,401.22, 16,526,059.74 and 6,468,775.79 is: 8,926,913.86
Step by Step Solution
- Step 1: Write the proportion equation
11,975,401.22 : 16,526,059.74 = 6,468,775.79 : x - Step 2: Convert to fraction form
11,975,401.22/16,526,059.74 = 6,468,775.79/x - Step 3: Cross multiply
11,975,401.22x = 16,526,059.74 × 6,468,775.79 - Step 4: Simplify right side
11,975,401.22x = 106,903,375,067,575.41 - Step 5: Solve for x
x = 106,903,375,067,575.41/11,975,401.22 - Step 6: Final answer
x = 8,926,913.86
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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.