Finding the Fourth Proportional to 13,762,451.84, 18,992,730.77 and 7,568,006.41
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Solution
The fourth proportional to 13,762,451.84, 18,992,730.77 and 7,568,006.41 is: 10,444,149.76
Step by Step Solution
- Step 1: Write the proportion equation
13,762,451.84 : 18,992,730.77 = 7,568,006.41 : x - Step 2: Convert to fraction form
13,762,451.84/18,992,730.77 = 7,568,006.41/x - Step 3: Cross multiply
13,762,451.84x = 18,992,730.77 × 7,568,006.41 - Step 4: Simplify right side
13,762,451.84x = 143,737,108,077,960.56 - Step 5: Solve for x
x = 143,737,108,077,960.56/13,762,451.84 - Step 6: Final answer
x = 10,444,149.76
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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.