Finding the Fourth Proportional to 14,542,319.86, 20,069,299.29 and 8,015,934.62
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Solution
The fourth proportional to 14,542,319.86, 20,069,299.29 and 8,015,934.62 is: 11,062,484.70
Step by Step Solution
- Step 1: Write the proportion equation
14,542,319.86 : 20,069,299.29 = 8,015,934.62 : x - Step 2: Convert to fraction form
14,542,319.86/20,069,299.29 = 8,015,934.62/x - Step 3: Cross multiply
14,542,319.86x = 20,069,299.29 × 8,015,934.62 - Step 4: Simplify right side
14,542,319.86x = 160,874,190,977,852.41 - Step 5: Solve for x
x = 160,874,190,977,852.41/14,542,319.86 - Step 6: Final answer
x = 11,062,484.70
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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.