Finding the Fourth Proportional to 11,378,160.81, 17,063,683.64 and 3,803,355.09
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Solution
The fourth proportional to 11,378,160.81, 17,063,683.64 and 3,803,355.09 is: 5,703,843.45
Step by Step Solution
- Step 1: Write the proportion equation
11,378,160.81 : 17,063,683.64 = 3,803,355.09 : x - Step 2: Convert to fraction form
11,378,160.81/17,063,683.64 = 3,803,355.09/x - Step 3: Cross multiply
11,378,160.81x = 17,063,683.64 × 3,803,355.09 - Step 4: Simplify right side
11,378,160.81x = 64,899,248,026,343.73 - Step 5: Solve for x
x = 64,899,248,026,343.73/11,378,160.81 - Step 6: Final answer
x = 5,703,843.45
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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.