Finding the Fourth Proportional to 7,369,803.86, 10,171,086.11 and 4,430,572.49
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Solution
The fourth proportional to 7,369,803.86, 10,171,086.11 and 4,430,572.49 is: 6,114,644.99
Step by Step Solution
- Step 1: Write the proportion equation
7,369,803.86 : 10,171,086.11 = 4,430,572.49 : x - Step 2: Convert to fraction form
7,369,803.86/10,171,086.11 = 4,430,572.49/x - Step 3: Cross multiply
7,369,803.86x = 10,171,086.11 × 4,430,572.49 - Step 4: Simplify right side
7,369,803.86x = 45,063,734,239,378.83 - Step 5: Solve for x
x = 45,063,734,239,378.83/7,369,803.86 - Step 6: Final answer
x = 6,114,644.99
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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.