Finding the Fourth Proportional to 46,335,907.20, 69,491,419.20 and 19,403,990.40
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Solution
The fourth proportional to 46,335,907.20, 69,491,419.20 and 19,403,990.40 is: 29,100,775.46
Step by Step Solution
- Step 1: Write the proportion equation
46,335,907.20 : 69,491,419.20 = 19,403,990.40 : x - Step 2: Convert to fraction form
46,335,907.20/69,491,419.20 = 19,403,990.40/x - Step 3: Cross multiply
46,335,907.20x = 69,491,419.20 × 19,403,990.40 - Step 4: Simplify right side
46,335,907.20x = 1,348,410,831,039,175.75 - Step 5: Solve for x
x = 1,348,410,831,039,175.75/46,335,907.20 - Step 6: Final answer
x = 29,100,775.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.