Finding the Fourth Proportional to 14,274,345.29, 19,698,086.81 and 8,079,258.99
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Solution
The fourth proportional to 14,274,345.29, 19,698,086.81 and 8,079,258.99 is: 11,149,088.92
Step by Step Solution
- Step 1: Write the proportion equation
14,274,345.29 : 19,698,086.81 = 8,079,258.99 : x - Step 2: Convert to fraction form
14,274,345.29/19,698,086.81 = 8,079,258.99/x - Step 3: Cross multiply
14,274,345.29x = 19,698,086.81 × 8,079,258.99 - Step 4: Simplify right side
14,274,345.29x = 159,145,944,883,311.34 - Step 5: Solve for x
x = 159,145,944,883,311.34/14,274,345.29 - Step 6: Final answer
x = 11,149,088.92
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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.