Finding the Fourth Proportional to 20,263,107.28, 27,963,047.88 and 10,970,674.81
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Solution
The fourth proportional to 20,263,107.28, 27,963,047.88 and 10,970,674.81 is: 15,139,509.49
Step by Step Solution
- Step 1: Write the proportion equation
20,263,107.28 : 27,963,047.88 = 10,970,674.81 : x - Step 2: Convert to fraction form
20,263,107.28/27,963,047.88 = 10,970,674.81/x - Step 3: Cross multiply
20,263,107.28x = 27,963,047.88 × 10,970,674.81 - Step 4: Simplify right side
20,263,107.28x = 306,773,504,987,939.88 - Step 5: Solve for x
x = 306,773,504,987,939.88/20,263,107.28 - Step 6: Final answer
x = 15,139,509.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.