Finding the Fourth Proportional to 31,339,538.92, 46,984,584.35 and 19,800,684.61
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Solution
The fourth proportional to 31,339,538.92, 46,984,584.35 and 19,800,684.61 is: 29,685,405.99
Step by Step Solution
- Step 1: Write the proportion equation
31,339,538.92 : 46,984,584.35 = 19,800,684.61 : x - Step 2: Convert to fraction form
31,339,538.92/46,984,584.35 = 19,800,684.61/x - Step 3: Cross multiply
31,339,538.92x = 46,984,584.35 × 19,800,684.61 - Step 4: Simplify right side
31,339,538.92x = 930,326,936,178,332.12 - Step 5: Solve for x
x = 930,326,936,178,332.12/31,339,538.92 - Step 6: Final answer
x = 29,685,405.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.