Finding the Fourth Proportional to 11,887,880.55, 16,405,339.62 and 6,732,246.75
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Solution
The fourth proportional to 11,887,880.55, 16,405,339.62 and 6,732,246.75 is: 9,290,537.02
Step by Step Solution
- Step 1: Write the proportion equation
11,887,880.55 : 16,405,339.62 = 6,732,246.75 : x - Step 2: Convert to fraction form
11,887,880.55/16,405,339.62 = 6,732,246.75/x - Step 3: Cross multiply
11,887,880.55x = 16,405,339.62 × 6,732,246.75 - Step 4: Simplify right side
11,887,880.55x = 110,444,794,339,391.23 - Step 5: Solve for x
x = 110,444,794,339,391.23/11,887,880.55 - Step 6: Final answer
x = 9,290,537.02
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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.