Finding the Fourth Proportional to 18,366,332.40, 27,549,498.60 and 5,586,816.60
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Solution
The fourth proportional to 18,366,332.40, 27,549,498.60 and 5,586,816.60 is: 8,380,224.90
Step by Step Solution
- Step 1: Write the proportion equation
18,366,332.40 : 27,549,498.60 = 5,586,816.60 : x - Step 2: Convert to fraction form
18,366,332.40/27,549,498.60 = 5,586,816.60/x - Step 3: Cross multiply
18,366,332.40x = 27,549,498.60 × 5,586,816.60 - Step 4: Simplify right side
18,366,332.40x = 153,913,996,100,156.75 - Step 5: Solve for x
x = 153,913,996,100,156.75/18,366,332.40 - Step 6: Final answer
x = 8,380,224.90
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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.