Finding the Fourth Proportional to 27,353,108.16, 40,963,910.26 and 15,645,997.55
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Solution
The fourth proportional to 27,353,108.16, 40,963,910.26 and 15,645,997.55 is: 23,431,386.14
Step by Step Solution
- Step 1: Write the proportion equation
27,353,108.16 : 40,963,910.26 = 15,645,997.55 : x - Step 2: Convert to fraction form
27,353,108.16/40,963,910.26 = 15,645,997.55/x - Step 3: Cross multiply
27,353,108.16x = 40,963,910.26 × 15,645,997.55 - Step 4: Simplify right side
27,353,108.16x = 640,921,239,629,674.62 - Step 5: Solve for x
x = 640,921,239,629,674.62/27,353,108.16 - Step 6: Final answer
x = 23,431,386.14
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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.