Finding the Fourth Proportional to 11,243,403.28, 16,871,823.87 and 10,328,660.47
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Solution
The fourth proportional to 11,243,403.28, 16,871,823.87 and 10,328,660.47 is: 15,499,163.01
Step by Step Solution
- Step 1: Write the proportion equation
11,243,403.28 : 16,871,823.87 = 10,328,660.47 : x - Step 2: Convert to fraction form
11,243,403.28/16,871,823.87 = 10,328,660.47/x - Step 3: Cross multiply
11,243,403.28x = 16,871,823.87 × 10,328,660.47 - Step 4: Simplify right side
11,243,403.28x = 174,263,340,262,871.44 - Step 5: Solve for x
x = 174,263,340,262,871.44/11,243,403.28 - Step 6: Final answer
x = 15,499,163.01
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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.