Finding the Fourth Proportional to 8,914,853.70, 13,372,280.55 and 2,183,267.70
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Solution
The fourth proportional to 8,914,853.70, 13,372,280.55 and 2,183,267.70 is: 3,274,901.55
Step by Step Solution
- Step 1: Write the proportion equation
8,914,853.70 : 13,372,280.55 = 2,183,267.70 : x - Step 2: Convert to fraction form
8,914,853.70/13,372,280.55 = 2,183,267.70/x - Step 3: Cross multiply
8,914,853.70x = 13,372,280.55 × 2,183,267.70 - Step 4: Simplify right side
8,914,853.70x = 29,195,268,200,153.24 - Step 5: Solve for x
x = 29,195,268,200,153.24/8,914,853.70 - Step 6: Final answer
x = 3,274,901.55
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1.5x scale
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.