Finding the Fourth Proportional to 27,680,429.76, 41,521,775.80 and 9,497,128.56
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Solution
The fourth proportional to 27,680,429.76, 41,521,775.80 and 9,497,128.56 is: 14,246,080.94
Step by Step Solution
- Step 1: Write the proportion equation
27,680,429.76 : 41,521,775.80 = 9,497,128.56 : x - Step 2: Convert to fraction form
27,680,429.76/41,521,775.80 = 9,497,128.56/x - Step 3: Cross multiply
27,680,429.76x = 41,521,775.80 × 9,497,128.56 - Step 4: Simplify right side
27,680,429.76x = 394,337,642,812,096.81 - Step 5: Solve for x
x = 394,337,642,812,096.81/27,680,429.76 - Step 6: Final answer
x = 14,246,080.94
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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.