Finding the Fourth Proportional to 14,293,921.06, 21,444,883.80 and 5,780,236.24
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Solution
The fourth proportional to 14,293,921.06, 21,444,883.80 and 5,780,236.24 is: 8,671,972.79
Step by Step Solution
- Step 1: Write the proportion equation
14,293,921.06 : 21,444,883.80 = 5,780,236.24 : x - Step 2: Convert to fraction form
14,293,921.06/21,444,883.80 = 5,780,236.24/x - Step 3: Cross multiply
14,293,921.06x = 21,444,883.80 × 5,780,236.24 - Step 4: Simplify right side
14,293,921.06x = 123,956,494,503,348.92 - Step 5: Solve for x
x = 123,956,494,503,348.92/14,293,921.06 - Step 6: Final answer
x = 8,671,972.79
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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.