Finding the Fourth Proportional to 10,331,716.14, 14,251,831.20 and 6,457,513.68
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Solution
The fourth proportional to 10,331,716.14, 14,251,831.20 and 6,457,513.68 is: 8,907,658.10
Step by Step Solution
- Step 1: Write the proportion equation
10,331,716.14 : 14,251,831.20 = 6,457,513.68 : x - Step 2: Convert to fraction form
10,331,716.14/14,251,831.20 = 6,457,513.68/x - Step 3: Cross multiply
10,331,716.14x = 14,251,831.20 × 6,457,513.68 - Step 4: Simplify right side
10,331,716.14x = 92,031,394,939,050.81 - Step 5: Solve for x
x = 92,031,394,939,050.81/10,331,716.14 - Step 6: Final answer
x = 8,907,658.10
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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.