Finding the Fourth Proportional to 40,127,251.48, 55,398,561.60 and 26,416,073.68
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Solution
The fourth proportional to 40,127,251.48, 55,398,561.60 and 26,416,073.68 is: 36,469,292.84
Step by Step Solution
- Step 1: Write the proportion equation
40,127,251.48 : 55,398,561.60 = 26,416,073.68 : x - Step 2: Convert to fraction form
40,127,251.48/55,398,561.60 = 26,416,073.68/x - Step 3: Cross multiply
40,127,251.48x = 55,398,561.60 × 26,416,073.68 - Step 4: Simplify right side
40,127,251.48x = 1,463,412,484,991,618.75 - Step 5: Solve for x
x = 1,463,412,484,991,618.75/40,127,251.48 - Step 6: Final answer
x = 36,469,292.84
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1.5x scale
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.