Finding the Fourth Proportional to 46,308,958.44, 69,473,468.68 and 13,958,154.60
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Solution
The fourth proportional to 46,308,958.44, 69,473,468.68 and 13,958,154.60 is: 20,940,255.39
Step by Step Solution
- Step 1: Write the proportion equation
46,308,958.44 : 69,473,468.68 = 13,958,154.60 : x - Step 2: Convert to fraction form
46,308,958.44/69,473,468.68 = 13,958,154.60/x - Step 3: Cross multiply
46,308,958.44x = 69,473,468.68 × 13,958,154.60 - Step 4: Simplify right side
46,308,958.44x = 969,721,416,433,698 - Step 5: Solve for x
x = 969,721,416,433,698/46,308,958.44 - Step 6: Final answer
x = 20,940,255.39
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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.