Finding the Fourth Proportional to 54,569,465.55, 81,865,570.73 and 18,189,157.95
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Solution
The fourth proportional to 54,569,465.55, 81,865,570.73 and 18,189,157.95 is: 27,287,527.59
Step by Step Solution
- Step 1: Write the proportion equation
54,569,465.55 : 81,865,570.73 = 18,189,157.95 : x - Step 2: Convert to fraction form
54,569,465.55/81,865,570.73 = 18,189,157.95/x - Step 3: Cross multiply
54,569,465.55x = 81,865,570.73 × 18,189,157.95 - Step 4: Simplify right side
54,569,465.55x = 1,489,065,796,583,920.75 - Step 5: Solve for x
x = 1,489,065,796,583,920.75/54,569,465.55 - Step 6: Final answer
x = 27,287,527.59
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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.