Finding the Fourth Proportional to 10,206,685.20, 15,292,313.10 and 6,610,601.10
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Solution
The fourth proportional to 10,206,685.20, 15,292,313.10 and 6,610,601.10 is: 9,904,428.31
Step by Step Solution
- Step 1: Write the proportion equation
10,206,685.20 : 15,292,313.10 = 6,610,601.10 : x - Step 2: Convert to fraction form
10,206,685.20/15,292,313.10 = 6,610,601.10/x - Step 3: Cross multiply
10,206,685.20x = 15,292,313.10 × 6,610,601.10 - Step 4: Simplify right side
10,206,685.20x = 101,091,381,800,404.41 - Step 5: Solve for x
x = 101,091,381,800,404.41/10,206,685.20 - Step 6: Final answer
x = 9,904,428.31
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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.