Finding the Fourth Proportional to 19,690,532.99, 27,174,441.50 and 10,871,684.92
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Solution
The fourth proportional to 19,690,532.99, 27,174,441.50 and 10,871,684.92 is: 15,003,756.68
Step by Step Solution
- Step 1: Write the proportion equation
19,690,532.99 : 27,174,441.50 = 10,871,684.92 : x - Step 2: Convert to fraction form
19,690,532.99/27,174,441.50 = 10,871,684.92/x - Step 3: Cross multiply
19,690,532.99x = 27,174,441.50 × 10,871,684.92 - Step 4: Simplify right side
19,690,532.99x = 295,431,965,864,972.19 - Step 5: Solve for x
x = 295,431,965,864,972.19/19,690,532.99 - Step 6: Final answer
x = 15,003,756.68
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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.