Finding the Fourth Proportional to 13,317,121.70, 19,976,568.28 and 4,680,177.56
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Solution
The fourth proportional to 13,317,121.70, 19,976,568.28 and 4,680,177.56 is: 7,020,577.62
Step by Step Solution
- Step 1: Write the proportion equation
13,317,121.70 : 19,976,568.28 = 4,680,177.56 : x - Step 2: Convert to fraction form
13,317,121.70/19,976,568.28 = 4,680,177.56/x - Step 3: Cross multiply
13,317,121.70x = 19,976,568.28 × 4,680,177.56 - Step 4: Simplify right side
13,317,121.70x = 93,493,886,589,863.80 - Step 5: Solve for x
x = 93,493,886,589,863.80/13,317,121.70 - Step 6: Final answer
x = 7,020,577.62
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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.