Finding the Fourth Proportional to 20,703,628.20, 31,032,114.30 and 9,926,092.20
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Solution
The fourth proportional to 20,703,628.20, 31,032,114.30 and 9,926,092.20 is: 14,877,953.99
Step by Step Solution
- Step 1: Write the proportion equation
20,703,628.20 : 31,032,114.30 = 9,926,092.20 : x - Step 2: Convert to fraction form
20,703,628.20/31,032,114.30 = 9,926,092.20/x - Step 3: Cross multiply
20,703,628.20x = 31,032,114.30 × 9,926,092.20 - Step 4: Simplify right side
20,703,628.20x = 308,027,627,702,738.44 - Step 5: Solve for x
x = 308,027,627,702,738.44/20,703,628.20 - Step 6: Final answer
x = 14,877,953.99
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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.