Finding the Fourth Proportional to 13,471,091.91, 20,197,414.80 and 4,835,000.70
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Solution
The fourth proportional to 13,471,091.91, 20,197,414.80 and 4,835,000.70 is: 7,249,190.74
Step by Step Solution
- Step 1: Write the proportion equation
13,471,091.91 : 20,197,414.80 = 4,835,000.70 : x - Step 2: Convert to fraction form
13,471,091.91/20,197,414.80 = 4,835,000.70/x - Step 3: Cross multiply
13,471,091.91x = 20,197,414.80 × 4,835,000.70 - Step 4: Simplify right side
13,471,091.91x = 97,654,514,696,190.38 - Step 5: Solve for x
x = 97,654,514,696,190.38/13,471,091.91 - Step 6: Final answer
x = 7,249,190.74
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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.