Finding the Fourth Proportional to 7,381,173.99, 10,186,026.44 and 4,117,989.43
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Solution
The fourth proportional to 7,381,173.99, 10,186,026.44 and 4,117,989.43 is: 5,682,828.94
Step by Step Solution
- Step 1: Write the proportion equation
7,381,173.99 : 10,186,026.44 = 4,117,989.43 : x - Step 2: Convert to fraction form
7,381,173.99/10,186,026.44 = 4,117,989.43/x - Step 3: Cross multiply
7,381,173.99x = 10,186,026.44 × 4,117,989.43 - Step 4: Simplify right side
7,381,173.99x = 41,945,949,167,565.52 - Step 5: Solve for x
x = 41,945,949,167,565.52/7,381,173.99 - Step 6: Final answer
x = 5,682,828.94
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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.