Finding the Fourth Proportional to 8,102,376.76, 11,181,123.27 and 4,431,281.97
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Solution
The fourth proportional to 8,102,376.76, 11,181,123.27 and 4,431,281.97 is: 6,115,083.45
Step by Step Solution
- Step 1: Write the proportion equation
8,102,376.76 : 11,181,123.27 = 4,431,281.97 : x - Step 2: Convert to fraction form
8,102,376.76/11,181,123.27 = 4,431,281.97/x - Step 3: Cross multiply
8,102,376.76x = 11,181,123.27 × 4,431,281.97 - Step 4: Simplify right side
8,102,376.76x = 49,546,709,983,132.91 - Step 5: Solve for x
x = 49,546,709,983,132.91/8,102,376.76 - Step 6: Final answer
x = 6,115,083.45
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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.