Finding the Fourth Proportional to 18,310,813.86, 27,465,358.68 and 6,798,571.14
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Solution
The fourth proportional to 18,310,813.86, 27,465,358.68 and 6,798,571.14 is: 10,197,536.62
Step by Step Solution
- Step 1: Write the proportion equation
18,310,813.86 : 27,465,358.68 = 6,798,571.14 : x - Step 2: Convert to fraction form
18,310,813.86/27,465,358.68 = 6,798,571.14/x - Step 3: Cross multiply
18,310,813.86x = 27,465,358.68 × 6,798,571.14 - Step 4: Simplify right side
18,310,813.86x = 186,725,194,871,596.47 - Step 5: Solve for x
x = 186,725,194,871,596.47/18,310,813.86 - Step 6: Final answer
x = 10,197,536.62
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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.