Finding the Fourth Proportional to 21,536,529.05, 29,734,963.44 and 16,566,144.17
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Solution
The fourth proportional to 21,536,529.05, 29,734,963.44 and 16,566,144.17 is: 22,872,473.56
Step by Step Solution
- Step 1: Write the proportion equation
21,536,529.05 : 29,734,963.44 = 16,566,144.17 : x - Step 2: Convert to fraction form
21,536,529.05/29,734,963.44 = 16,566,144.17/x - Step 3: Cross multiply
21,536,529.05x = 29,734,963.44 × 16,566,144.17 - Step 4: Simplify right side
21,536,529.05x = 492,593,691,323,412.25 - Step 5: Solve for x
x = 492,593,691,323,412.25/21,536,529.05 - Step 6: Final answer
x = 22,872,473.56
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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.