Finding the Fourth Proportional to 7,811,334.91, 10,777,310.40 and 5,053,655.49
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Solution
The fourth proportional to 7,811,334.91, 10,777,310.40 and 5,053,655.49 is: 6,972,535.99
Step by Step Solution
- Step 1: Write the proportion equation
7,811,334.91 : 10,777,310.40 = 5,053,655.49 : x - Step 2: Convert to fraction form
7,811,334.91/10,777,310.40 = 5,053,655.49/x - Step 3: Cross multiply
7,811,334.91x = 10,777,310.40 × 5,053,655.49 - Step 4: Simplify right side
7,811,334.91x = 54,464,813,820,503.58 - Step 5: Solve for x
x = 54,464,813,820,503.58/7,811,334.91 - Step 6: Final answer
x = 6,972,535.99
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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.