Finding the Fourth Proportional to 14,482,020.50, 19,985,201.46 and 7,956,072.74
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Solution
The fourth proportional to 14,482,020.50, 19,985,201.46 and 7,956,072.74 is: 10,979,387.62
Step by Step Solution
- Step 1: Write the proportion equation
14,482,020.50 : 19,985,201.46 = 7,956,072.74 : x - Step 2: Convert to fraction form
14,482,020.50/19,985,201.46 = 7,956,072.74/x - Step 3: Cross multiply
14,482,020.50x = 19,985,201.46 × 7,956,072.74 - Step 4: Simplify right side
14,482,020.50x = 159,003,716,539,314.22 - Step 5: Solve for x
x = 159,003,716,539,314.22/14,482,020.50 - Step 6: Final answer
x = 10,979,387.62
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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.