Finding the Fourth Proportional to 30,795,759.36, 46,172,643.84 and 15,620,428.80
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Solution
The fourth proportional to 30,795,759.36, 46,172,643.84 and 15,620,428.80 is: 23,419,993.88
Step by Step Solution
- Step 1: Write the proportion equation
30,795,759.36 : 46,172,643.84 = 15,620,428.80 : x - Step 2: Convert to fraction form
30,795,759.36/46,172,643.84 = 15,620,428.80/x - Step 3: Cross multiply
30,795,759.36x = 46,172,643.84 × 15,620,428.80 - Step 4: Simplify right side
30,795,759.36x = 721,236,495,610,478.62 - Step 5: Solve for x
x = 721,236,495,610,478.62/30,795,759.36 - Step 6: Final answer
x = 23,419,993.88
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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.