Finding the Fourth Proportional to 11,378,161.81, 17,063,685.14 and 3,803,356.09
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Solution
The fourth proportional to 11,378,161.81, 17,063,685.14 and 3,803,356.09 is: 5,703,844.95
Step by Step Solution
- Step 1: Write the proportion equation
11,378,161.81 : 17,063,685.14 = 3,803,356.09 : x - Step 2: Convert to fraction form
11,378,161.81/17,063,685.14 = 3,803,356.09/x - Step 3: Cross multiply
11,378,161.81x = 17,063,685.14 × 3,803,356.09 - Step 4: Simplify right side
11,378,161.81x = 64,899,270,795,061.50 - Step 5: Solve for x
x = 64,899,270,795,061.50/11,378,161.81 - Step 6: Final answer
x = 5,703,844.95
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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.