Finding the Fourth Proportional to 10,672,107.84, 14,727,505.70 and 5,777,326.30
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Solution
The fourth proportional to 10,672,107.84, 14,727,505.70 and 5,777,326.30 is: 7,972,708.61
Step by Step Solution
- Step 1: Write the proportion equation
10,672,107.84 : 14,727,505.70 = 5,777,326.30 : x - Step 2: Convert to fraction form
10,672,107.84/14,727,505.70 = 5,777,326.30/x - Step 3: Cross multiply
10,672,107.84x = 14,727,505.70 × 5,777,326.30 - Step 4: Simplify right side
10,672,107.84x = 85,085,606,014,009.91 - Step 5: Solve for x
x = 85,085,606,014,009.91/10,672,107.84 - Step 6: Final answer
x = 7,972,708.61
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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.