Finding the Fourth Proportional to 7,447,562.64, 11,162,313.84 and 3,398,502.24
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Solution
The fourth proportional to 7,447,562.64, 11,162,313.84 and 3,398,502.24 is: 5,093,632.70
Step by Step Solution
- Step 1: Write the proportion equation
7,447,562.64 : 11,162,313.84 = 3,398,502.24 : x - Step 2: Convert to fraction form
7,447,562.64/11,162,313.84 = 3,398,502.24/x - Step 3: Cross multiply
7,447,562.64x = 11,162,313.84 × 3,398,502.24 - Step 4: Simplify right side
7,447,562.64x = 37,935,148,588,823 - Step 5: Solve for x
x = 37,935,148,588,823/7,447,562.64 - Step 6: Final answer
x = 5,093,632.70
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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.