Finding the Fourth Proportional to 11,784,373.96, 16,269,907.36 and 8,069,420.92
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Solution
The fourth proportional to 11,784,373.96, 16,269,907.36 and 8,069,420.92 is: 11,140,916.88
Step by Step Solution
- Step 1: Write the proportion equation
11,784,373.96 : 16,269,907.36 = 8,069,420.92 : x - Step 2: Convert to fraction form
11,784,373.96/16,269,907.36 = 8,069,420.92/x - Step 3: Cross multiply
11,784,373.96x = 16,269,907.36 × 8,069,420.92 - Step 4: Simplify right side
11,784,373.96x = 131,288,730,817,245.97 - Step 5: Solve for x
x = 131,288,730,817,245.97/11,784,373.96 - Step 6: Final answer
x = 11,140,916.88
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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.