Finding the Fourth Proportional to 7,959,453.12, 10,984,434.66 and 4,475,888.10
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Solution
The fourth proportional to 7,959,453.12, 10,984,434.66 and 4,475,888.10 is: 6,176,944.53
Step by Step Solution
- Step 1: Write the proportion equation
7,959,453.12 : 10,984,434.66 = 4,475,888.10 : x - Step 2: Convert to fraction form
7,959,453.12/10,984,434.66 = 4,475,888.10/x - Step 3: Cross multiply
7,959,453.12x = 10,984,434.66 × 4,475,888.10 - Step 4: Simplify right side
7,959,453.12x = 49,165,100,379,921.54 - Step 5: Solve for x
x = 49,165,100,379,921.54/7,959,453.12 - Step 6: Final answer
x = 6,176,944.53
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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.