Finding the Fourth Proportional to 19,569,716.40, 29,340,577.80 and 8,778,183.60
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Solution
The fourth proportional to 19,569,716.40, 29,340,577.80 and 8,778,183.60 is: 13,160,997.00
Step by Step Solution
- Step 1: Write the proportion equation
19,569,716.40 : 29,340,577.80 = 8,778,183.60 : x - Step 2: Convert to fraction form
19,569,716.40/29,340,577.80 = 8,778,183.60/x - Step 3: Cross multiply
19,569,716.40x = 29,340,577.80 × 8,778,183.60 - Step 4: Simplify right side
19,569,716.40x = 257,556,978,858,484.06 - Step 5: Solve for x
x = 257,556,978,858,484.06/19,569,716.40 - Step 6: Final answer
x = 13,160,997.00
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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.