Finding the Fourth Proportional to 10,750,389.75, 14,835,537.86 and 5,921,493.75
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Solution
The fourth proportional to 10,750,389.75, 14,835,537.86 and 5,921,493.75 is: 8,171,661.38
Step by Step Solution
- Step 1: Write the proportion equation
10,750,389.75 : 14,835,537.86 = 5,921,493.75 : x - Step 2: Convert to fraction form
10,750,389.75/14,835,537.86 = 5,921,493.75/x - Step 3: Cross multiply
10,750,389.75x = 14,835,537.86 × 5,921,493.75 - Step 4: Simplify right side
10,750,389.75x = 87,848,544,686,270.91 - Step 5: Solve for x
x = 87,848,544,686,270.91/10,750,389.75 - Step 6: Final answer
x = 8,171,661.38
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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.