Finding the Fourth Proportional to 51,568,428.17, 71,165,777.20 and 28,364,164.08
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Solution
The fourth proportional to 51,568,428.17, 71,165,777.20 and 28,364,164.08 is: 39,143,286.94
Step by Step Solution
- Step 1: Write the proportion equation
51,568,428.17 : 71,165,777.20 = 28,364,164.08 : x - Step 2: Convert to fraction form
51,568,428.17/71,165,777.20 = 28,364,164.08/x - Step 3: Cross multiply
51,568,428.17x = 71,165,777.20 × 28,364,164.08 - Step 4: Simplify right side
51,568,428.17x = 2,018,557,781,025,694 - Step 5: Solve for x
x = 2,018,557,781,025,694/51,568,428.17 - Step 6: Final answer
x = 39,143,286.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.