Finding the Fourth Proportional to 35,268,877.76, 48,670,855.68 and 19,798,958.24
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Solution
The fourth proportional to 35,268,877.76, 48,670,855.68 and 19,798,958.24 is: 27,322,452.55
Step by Step Solution
- Step 1: Write the proportion equation
35,268,877.76 : 48,670,855.68 = 19,798,958.24 : x - Step 2: Convert to fraction form
35,268,877.76/48,670,855.68 = 19,798,958.24/x - Step 3: Cross multiply
35,268,877.76x = 48,670,855.68 × 19,798,958.24 - Step 4: Simplify right side
35,268,877.76x = 963,632,239,113,386.75 - Step 5: Solve for x
x = 963,632,239,113,386.75/35,268,877.76 - Step 6: Final answer
x = 27,322,452.55
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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.