Finding the Fourth Proportional to 55,146,857.70, 82,720,286.55 and 14,757,341.70
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Solution
The fourth proportional to 55,146,857.70, 82,720,286.55 and 14,757,341.70 is: 22,136,012.55
Step by Step Solution
- Step 1: Write the proportion equation
55,146,857.70 : 82,720,286.55 = 14,757,341.70 : x - Step 2: Convert to fraction form
55,146,857.70/82,720,286.55 = 14,757,341.70/x - Step 3: Cross multiply
55,146,857.70x = 82,720,286.55 × 14,757,341.70 - Step 4: Simplify right side
55,146,857.70x = 1,220,731,534,140,264 - Step 5: Solve for x
x = 1,220,731,534,140,264/55,146,857.70 - Step 6: Final answer
x = 22,136,012.55
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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.