Finding the Fourth Proportional to 27,639,313.95, 41,465,036.21 and 8,471,512.83
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Solution
The fourth proportional to 27,639,313.95, 41,465,036.21 and 8,471,512.83 is: 12,709,128.27
Step by Step Solution
- Step 1: Write the proportion equation
27,639,313.95 : 41,465,036.21 = 8,471,512.83 : x - Step 2: Convert to fraction form
27,639,313.95/41,465,036.21 = 8,471,512.83/x - Step 3: Cross multiply
27,639,313.95x = 41,465,036.21 × 8,471,512.83 - Step 4: Simplify right side
27,639,313.95x = 351,271,586,249,429.56 - Step 5: Solve for x
x = 351,271,586,249,429.56/27,639,313.95 - Step 6: Final answer
x = 12,709,128.27
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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.