Finding the Fourth Proportional to 11,310,347.70, 16,965,521.55 and 11,310,347.70
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Solution
The fourth proportional to 11,310,347.70, 16,965,521.55 and 11,310,347.70 is: 16,965,521.55
Step by Step Solution
- Step 1: Write the proportion equation
11,310,347.70 : 16,965,521.55 = 11,310,347.70 : x - Step 2: Convert to fraction form
11,310,347.70/16,965,521.55 = 11,310,347.70/x - Step 3: Cross multiply
11,310,347.70x = 16,965,521.55 × 11,310,347.70 - Step 4: Simplify right side
11,310,347.70x = 191,885,947,642,342.94 - Step 5: Solve for x
x = 191,885,947,642,342.94/11,310,347.70 - Step 6: Final answer
x = 16,965,521.55
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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.