Finding the Fourth Proportional to 18,134,879.80, 27,202,319.70 and 4,671,707.80
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Solution
The fourth proportional to 18,134,879.80, 27,202,319.70 and 4,671,707.80 is: 7,007,561.70
Step by Step Solution
- Step 1: Write the proportion equation
18,134,879.80 : 27,202,319.70 = 4,671,707.80 : x - Step 2: Convert to fraction form
18,134,879.80/27,202,319.70 = 4,671,707.80/x - Step 3: Cross multiply
18,134,879.80x = 27,202,319.70 × 4,671,707.80 - Step 4: Simplify right side
18,134,879.80x = 127,081,289,120,583.66 - Step 5: Solve for x
x = 127,081,289,120,583.66/18,134,879.80 - Step 6: Final answer
x = 7,007,561.70
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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.