Finding the Fourth Proportional to 18,074,077.36, 24,921,154.38 and 13,482,427.12
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Solution
The fourth proportional to 18,074,077.36, 24,921,154.38 and 13,482,427.12 is: 18,590,030.41
Step by Step Solution
- Step 1: Write the proportion equation
18,074,077.36 : 24,921,154.38 = 13,482,427.12 : x - Step 2: Convert to fraction form
18,074,077.36/24,921,154.38 = 13,482,427.12/x - Step 3: Cross multiply
18,074,077.36x = 24,921,154.38 × 13,482,427.12 - Step 4: Simplify right side
18,074,077.36x = 335,997,647,674,618.75 - Step 5: Solve for x
x = 335,997,647,674,618.75/18,074,077.36 - Step 6: Final answer
x = 18,590,030.41
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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.