Finding the Fourth Proportional to 13,542,927.49, 20,310,123.68 and 4,442,904.53
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Solution
The fourth proportional to 13,542,927.49, 20,310,123.68 and 4,442,904.53 is: 6,662,956.78
Step by Step Solution
- Step 1: Write the proportion equation
13,542,927.49 : 20,310,123.68 = 4,442,904.53 : x - Step 2: Convert to fraction form
13,542,927.49/20,310,123.68 = 4,442,904.53/x - Step 3: Cross multiply
13,542,927.49x = 20,310,123.68 × 4,442,904.53 - Step 4: Simplify right side
13,542,927.49x = 90,235,940,502,732.28 - Step 5: Solve for x
x = 90,235,940,502,732.28/13,542,927.49 - Step 6: Final answer
x = 6,662,956.78
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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.