Finding the Fourth Proportional to 10,356,123.62, 14,297,581.02 and 9,207,030.08
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Solution
The fourth proportional to 10,356,123.62, 14,297,581.02 and 9,207,030.08 is: 12,711,151.72
Step by Step Solution
- Step 1: Write the proportion equation
10,356,123.62 : 14,297,581.02 = 9,207,030.08 : x - Step 2: Convert to fraction form
10,356,123.62/14,297,581.02 = 9,207,030.08/x - Step 3: Cross multiply
10,356,123.62x = 14,297,581.02 × 9,207,030.08 - Step 4: Simplify right side
10,356,123.62x = 131,638,258,522,377.08 - Step 5: Solve for x
x = 131,638,258,522,377.08/10,356,123.62 - Step 6: Final answer
x = 12,711,151.72
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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.