Finding the Fourth Proportional to 7,576,853.21, 11,365,378.30 and 2,528,163.71
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Solution
The fourth proportional to 7,576,853.21, 11,365,378.30 and 2,528,163.71 is: 3,792,278.43
Step by Step Solution
- Step 1: Write the proportion equation
7,576,853.21 : 11,365,378.30 = 2,528,163.71 : x - Step 2: Convert to fraction form
7,576,853.21/11,365,378.30 = 2,528,163.71/x - Step 3: Cross multiply
7,576,853.21x = 11,365,378.30 × 2,528,163.71 - Step 4: Simplify right side
7,576,853.21x = 28,733,536,957,434.98 - Step 5: Solve for x
x = 28,733,536,957,434.98/7,576,853.21 - Step 6: Final answer
x = 3,792,278.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.