Finding the Fourth Proportional to 27,623,768.08, 38,128,151.92 and 16,317,859.08
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Solution
The fourth proportional to 27,623,768.08, 38,128,151.92 and 16,317,859.08 is: 22,522,988.47
Step by Step Solution
- Step 1: Write the proportion equation
27,623,768.08 : 38,128,151.92 = 16,317,859.08 : x - Step 2: Convert to fraction form
27,623,768.08/38,128,151.92 = 16,317,859.08/x - Step 3: Cross multiply
27,623,768.08x = 38,128,151.92 × 16,317,859.08 - Step 4: Simplify right side
27,623,768.08x = 622,169,810,011,391.50 - Step 5: Solve for x
x = 622,169,810,011,391.50/27,623,768.08 - Step 6: Final answer
x = 22,522,988.47
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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.