Finding the Fourth Proportional to 27,328,043.70, 40,992,065.55 and 7,133,285.70
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Solution
The fourth proportional to 27,328,043.70, 40,992,065.55 and 7,133,285.70 is: 10,699,928.55
Step by Step Solution
- Step 1: Write the proportion equation
27,328,043.70 : 40,992,065.55 = 7,133,285.70 : x - Step 2: Convert to fraction form
27,328,043.70/40,992,065.55 = 7,133,285.70/x - Step 3: Cross multiply
27,328,043.70x = 40,992,065.55 × 7,133,285.70 - Step 4: Simplify right side
27,328,043.70x = 292,408,115,001,277.62 - Step 5: Solve for x
x = 292,408,115,001,277.62/27,328,043.70 - Step 6: Final answer
x = 10,699,928.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.