Finding the Fourth Proportional to 7,482,663.05, 10,326,429.37 and 4,219,407.70
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Solution
The fourth proportional to 7,482,663.05, 10,326,429.37 and 4,219,407.70 is: 5,822,982.44
Step by Step Solution
- Step 1: Write the proportion equation
7,482,663.05 : 10,326,429.37 = 4,219,407.70 : x - Step 2: Convert to fraction form
7,482,663.05/10,326,429.37 = 4,219,407.70/x - Step 3: Cross multiply
7,482,663.05x = 10,326,429.37 × 4,219,407.70 - Step 4: Simplify right side
7,482,663.05x = 43,571,415,524,554.97 - Step 5: Solve for x
x = 43,571,415,524,554.97/7,482,663.05 - Step 6: Final answer
x = 5,822,982.44
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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.