Finding the Fourth Proportional to 18,088,997.60, 27,137,693.32 and 5,958,025.76
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Solution
The fourth proportional to 18,088,997.60, 27,137,693.32 and 5,958,025.76 is: 8,938,420.99
Step by Step Solution
- Step 1: Write the proportion equation
18,088,997.60 : 27,137,693.32 = 5,958,025.76 : x - Step 2: Convert to fraction form
18,088,997.60/27,137,693.32 = 5,958,025.76/x - Step 3: Cross multiply
18,088,997.60x = 27,137,693.32 × 5,958,025.76 - Step 4: Simplify right side
18,088,997.60x = 161,687,075,867,539.91 - Step 5: Solve for x
x = 161,687,075,867,539.91/18,088,997.60 - Step 6: Final answer
x = 8,938,420.99
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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.