Finding the Fourth Proportional to 13,263,476.92, 19,889,757.79 and 5,069,145.75
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Solution
The fourth proportional to 13,263,476.92, 19,889,757.79 and 5,069,145.75 is: 7,601,632.80
Step by Step Solution
- Step 1: Write the proportion equation
13,263,476.92 : 19,889,757.79 = 5,069,145.75 : x - Step 2: Convert to fraction form
13,263,476.92/19,889,757.79 = 5,069,145.75/x - Step 3: Cross multiply
13,263,476.92x = 19,889,757.79 × 5,069,145.75 - Step 4: Simplify right side
13,263,476.92x = 100,824,081,169,707.89 - Step 5: Solve for x
x = 100,824,081,169,707.89/13,263,476.92 - Step 6: Final answer
x = 7,601,632.80
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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.