Finding the Fourth Proportional to 18,592,823.70, 27,889,235.55 and 11,317,986.90
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Solution
The fourth proportional to 18,592,823.70, 27,889,235.55 and 11,317,986.90 is: 16,976,980.35
Step by Step Solution
- Step 1: Write the proportion equation
18,592,823.70 : 27,889,235.55 = 11,317,986.90 : x - Step 2: Convert to fraction form
18,592,823.70/27,889,235.55 = 11,317,986.90/x - Step 3: Cross multiply
18,592,823.70x = 27,889,235.55 × 11,317,986.90 - Step 4: Simplify right side
18,592,823.70x = 315,650,002,605,914.31 - Step 5: Solve for x
x = 315,650,002,605,914.31/18,592,823.70 - Step 6: Final answer
x = 16,976,980.35
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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.