Finding the Fourth Proportional to 7,888,790.96, 11,834,959.84 and 2,497,763.60
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Solution
The fourth proportional to 7,888,790.96, 11,834,959.84 and 2,497,763.60 is: 3,747,206.90
Step by Step Solution
- Step 1: Write the proportion equation
7,888,790.96 : 11,834,959.84 = 2,497,763.60 : x - Step 2: Convert to fraction form
7,888,790.96/11,834,959.84 = 2,497,763.60/x - Step 3: Cross multiply
7,888,790.96x = 11,834,959.84 × 2,497,763.60 - Step 4: Simplify right side
7,888,790.96x = 29,560,931,895,813.82 - Step 5: Solve for x
x = 29,560,931,895,813.82/7,888,790.96 - Step 6: Final answer
x = 3,747,206.90
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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.