Finding the Fourth Proportional to 36,317,914.68, 54,492,917.28 and 19,041,985.20
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Solution
The fourth proportional to 36,317,914.68, 54,492,917.28 and 19,041,985.20 is: 28,571,390.55
Step by Step Solution
- Step 1: Write the proportion equation
36,317,914.68 : 54,492,917.28 = 19,041,985.20 : x - Step 2: Convert to fraction form
36,317,914.68/54,492,917.28 = 19,041,985.20/x - Step 3: Cross multiply
36,317,914.68x = 54,492,917.28 × 19,041,985.20 - Step 4: Simplify right side
36,317,914.68x = 1,037,653,324,350,584.25 - Step 5: Solve for x
x = 1,037,653,324,350,584.25/36,317,914.68 - Step 6: Final answer
x = 28,571,390.55
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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.