Finding the Fourth Proportional to 13,811,542.05, 19,059,511.27 and 7,616,585.91
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Solution
The fourth proportional to 13,811,542.05, 19,059,511.27 and 7,616,585.91 is: 10,510,658.73
Step by Step Solution
- Step 1: Write the proportion equation
13,811,542.05 : 19,059,511.27 = 7,616,585.91 : x - Step 2: Convert to fraction form
13,811,542.05/19,059,511.27 = 7,616,585.91/x - Step 3: Cross multiply
13,811,542.05x = 19,059,511.27 × 7,616,585.91 - Step 4: Simplify right side
13,811,542.05x = 145,168,404,990,568.22 - Step 5: Solve for x
x = 145,168,404,990,568.22/13,811,542.05 - Step 6: Final answer
x = 10,510,658.73
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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.