Finding the Fourth Proportional to 7,837,790.19, 10,815,553.33 and 4,399,366.92
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Solution
The fourth proportional to 7,837,790.19, 10,815,553.33 and 4,399,366.92 is: 6,070,791.17
Step by Step Solution
- Step 1: Write the proportion equation
7,837,790.19 : 10,815,553.33 = 4,399,366.92 : x - Step 2: Convert to fraction form
7,837,790.19/10,815,553.33 = 4,399,366.92/x - Step 3: Cross multiply
7,837,790.19x = 10,815,553.33 × 4,399,366.92 - Step 4: Simplify right side
7,837,790.19x = 47,581,587,489,941.10 - Step 5: Solve for x
x = 47,581,587,489,941.10/7,837,790.19 - Step 6: Final answer
x = 6,070,791.17
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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.