Finding the Fourth Proportional to 10,710,107.80, 14,780,205.66 and 5,815,536.28
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Solution
The fourth proportional to 10,710,107.80, 14,780,205.66 and 5,815,536.28 is: 8,025,579.56
Step by Step Solution
- Step 1: Write the proportion equation
10,710,107.80 : 14,780,205.66 = 5,815,536.28 : x - Step 2: Convert to fraction form
10,710,107.80/14,780,205.66 = 5,815,536.28/x - Step 3: Cross multiply
10,710,107.80x = 14,780,205.66 × 5,815,536.28 - Step 4: Simplify right side
10,710,107.80x = 85,954,822,241,591.34 - Step 5: Solve for x
x = 85,954,822,241,591.34/10,710,107.80 - Step 6: Final answer
x = 8,025,579.56
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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.