Finding the Fourth Proportional to 14,689,868.44, 20,272,510.74 and 8,163,772.96
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Solution
The fourth proportional to 14,689,868.44, 20,272,510.74 and 8,163,772.96 is: 11,266,280.27
Step by Step Solution
- Step 1: Write the proportion equation
14,689,868.44 : 20,272,510.74 = 8,163,772.96 : x - Step 2: Convert to fraction form
14,689,868.44/20,272,510.74 = 8,163,772.96/x - Step 3: Cross multiply
14,689,868.44x = 20,272,510.74 × 8,163,772.96 - Step 4: Simplify right side
14,689,868.44x = 165,500,175,010,521.56 - Step 5: Solve for x
x = 165,500,175,010,521.56/14,689,868.44 - Step 6: Final answer
x = 11,266,280.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.