Finding the Fourth Proportional to 18,976,742.57, 28,465,117.61 and 6,846,202.01
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Solution
The fourth proportional to 18,976,742.57, 28,465,117.61 and 6,846,202.01 is: 10,269,304.37
Step by Step Solution
- Step 1: Write the proportion equation
18,976,742.57 : 28,465,117.61 = 6,846,202.01 : x - Step 2: Convert to fraction form
18,976,742.57/28,465,117.61 = 6,846,202.01/x - Step 3: Cross multiply
18,976,742.57x = 28,465,117.61 × 6,846,202.01 - Step 4: Simplify right side
18,976,742.57x = 194,877,945,433,400.19 - Step 5: Solve for x
x = 194,877,945,433,400.19/18,976,742.57 - Step 6: Final answer
x = 10,269,304.37
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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.