Finding the Fourth Proportional to 19,742,846.46, 27,246,516.39 and 11,041,828.62
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Solution
The fourth proportional to 19,742,846.46, 27,246,516.39 and 11,041,828.62 is: 15,238,499.93
Step by Step Solution
- Step 1: Write the proportion equation
19,742,846.46 : 27,246,516.39 = 11,041,828.62 : x - Step 2: Convert to fraction form
19,742,846.46/27,246,516.39 = 11,041,828.62/x - Step 3: Cross multiply
19,742,846.46x = 27,246,516.39 × 11,041,828.62 - Step 4: Simplify right side
19,742,846.46x = 300,851,364,470,401.06 - Step 5: Solve for x
x = 300,851,364,470,401.06/19,742,846.46 - Step 6: Final answer
x = 15,238,499.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.