Finding the Fourth Proportional to 14,785,054.48, 20,403,446.16 and 8,258,958.96
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Solution
The fourth proportional to 14,785,054.48, 20,403,446.16 and 8,258,958.96 is: 11,397,403.01
Step by Step Solution
- Step 1: Write the proportion equation
14,785,054.48 : 20,403,446.16 = 8,258,958.96 : x - Step 2: Convert to fraction form
14,785,054.48/20,403,446.16 = 8,258,958.96/x - Step 3: Cross multiply
14,785,054.48x = 20,403,446.16 × 8,258,958.96 - Step 4: Simplify right side
14,785,054.48x = 168,511,224,478,009.59 - Step 5: Solve for x
x = 168,511,224,478,009.59/14,785,054.48 - Step 6: Final answer
x = 11,397,403.01
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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.