Finding the Fourth Proportional to 18,803,055.06, 25,953,596.84 and 11,072,581.42
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Solution
The fourth proportional to 18,803,055.06, 25,953,596.84 and 11,072,581.42 is: 15,283,330.99
Step by Step Solution
- Step 1: Write the proportion equation
18,803,055.06 : 25,953,596.84 = 11,072,581.42 : x - Step 2: Convert to fraction form
18,803,055.06/25,953,596.84 = 11,072,581.42/x - Step 3: Cross multiply
18,803,055.06x = 25,953,596.84 × 11,072,581.42 - Step 4: Simplify right side
18,803,055.06x = 287,373,314,152,754.69 - Step 5: Solve for x
x = 287,373,314,152,754.69/18,803,055.06 - Step 6: Final answer
x = 15,283,330.99
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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.