Finding the Fourth Proportional to 14,274,345.26, 19,698,086.74 and 8,079,258.92
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Solution
The fourth proportional to 14,274,345.26, 19,698,086.74 and 8,079,258.92 is: 11,149,088.82
Step by Step Solution
- Step 1: Write the proportion equation
14,274,345.26 : 19,698,086.74 = 8,079,258.92 : x - Step 2: Convert to fraction form
14,274,345.26/19,698,086.74 = 8,079,258.92/x - Step 3: Cross multiply
14,274,345.26x = 19,698,086.74 × 8,079,258.92 - Step 4: Simplify right side
14,274,345.26x = 159,145,943,075,108.88 - Step 5: Solve for x
x = 159,145,943,075,108.88/14,274,345.26 - Step 6: Final answer
x = 11,149,088.82
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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.