Finding the Fourth Proportional to 7,914,292.11, 11,872,298.39 and 2,521,674.99
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Solution
The fourth proportional to 7,914,292.11, 11,872,298.39 and 2,521,674.99 is: 3,782,786.57
Step by Step Solution
- Step 1: Write the proportion equation
7,914,292.11 : 11,872,298.39 = 2,521,674.99 : x - Step 2: Convert to fraction form
7,914,292.11/11,872,298.39 = 2,521,674.99/x - Step 3: Cross multiply
7,914,292.11x = 11,872,298.39 × 2,521,674.99 - Step 4: Simplify right side
7,914,292.11x = 29,938,077,911,271.89 - Step 5: Solve for x
x = 29,938,077,911,271.89/7,914,292.11 - Step 6: Final answer
x = 3,782,786.57
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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.