Finding the Fourth Proportional to 10,379,798.14, 15,572,537.79 and 4,992,954.70
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Solution
The fourth proportional to 10,379,798.14, 15,572,537.79 and 4,992,954.70 is: 7,490,798.44
Step by Step Solution
- Step 1: Write the proportion equation
10,379,798.14 : 15,572,537.79 = 4,992,954.70 : x - Step 2: Convert to fraction form
10,379,798.14/15,572,537.79 = 4,992,954.70/x - Step 3: Cross multiply
10,379,798.14x = 15,572,537.79 × 4,992,954.70 - Step 4: Simplify right side
10,379,798.14x = 77,752,975,749,508.11 - Step 5: Solve for x
x = 77,752,975,749,508.11/10,379,798.14 - Step 6: Final answer
x = 7,490,798.44
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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.