Finding the Fourth Proportional to 25,140,386.81, 37,690,238.99 and 7,859,696.96
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Solution
The fourth proportional to 25,140,386.81, 37,690,238.99 and 7,859,696.96 is: 11,783,186.12
Step by Step Solution
- Step 1: Write the proportion equation
25,140,386.81 : 37,690,238.99 = 7,859,696.96 : x - Step 2: Convert to fraction form
25,140,386.81/37,690,238.99 = 7,859,696.96/x - Step 3: Cross multiply
25,140,386.81x = 37,690,238.99 × 7,859,696.96 - Step 4: Simplify right side
25,140,386.81x = 296,233,856,925,251.31 - Step 5: Solve for x
x = 296,233,856,925,251.31/25,140,386.81 - Step 6: Final answer
x = 11,783,186.12
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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.