Finding the Fourth Proportional to 10,356,122.62, 14,297,579.64 and 9,207,029.08
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Solution
The fourth proportional to 10,356,122.62, 14,297,579.64 and 9,207,029.08 is: 12,711,150.34
Step by Step Solution
- Step 1: Write the proportion equation
10,356,122.62 : 14,297,579.64 = 9,207,029.08 : x - Step 2: Convert to fraction form
10,356,122.62/14,297,579.64 = 9,207,029.08/x - Step 3: Cross multiply
10,356,122.62x = 14,297,579.64 × 9,207,029.08 - Step 4: Simplify right side
10,356,122.62x = 131,638,231,519,095.94 - Step 5: Solve for x
x = 131,638,231,519,095.94/10,356,122.62 - Step 6: Final answer
x = 12,711,150.34
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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.