Finding the Fourth Proportional to 18,287,635.95, 27,437,551.86 and 12,163,759.96
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Solution
The fourth proportional to 18,287,635.95, 27,437,551.86 and 12,163,759.96 is: 18,249,695.89
Step by Step Solution
- Step 1: Write the proportion equation
18,287,635.95 : 27,437,551.86 = 12,163,759.96 : x - Step 2: Convert to fraction form
18,287,635.95/27,437,551.86 = 12,163,759.96/x - Step 3: Cross multiply
18,287,635.95x = 27,437,551.86 × 12,163,759.96 - Step 4: Simplify right side
18,287,635.95x = 333,743,794,577,903.75 - Step 5: Solve for x
x = 333,743,794,577,903.75/18,287,635.95 - Step 6: Final answer
x = 18,249,695.89
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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.