Finding the Fourth Proportional to 18,343,889.46, 27,518,491.38 and 6,828,399.54
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Solution
The fourth proportional to 18,343,889.46, 27,518,491.38 and 6,828,399.54 is: 10,243,588.43
Step by Step Solution
- Step 1: Write the proportion equation
18,343,889.46 : 27,518,491.38 = 6,828,399.54 : x - Step 2: Convert to fraction form
18,343,889.46/27,518,491.38 = 6,828,399.54/x - Step 3: Cross multiply
18,343,889.46x = 27,518,491.38 × 6,828,399.54 - Step 4: Simplify right side
18,343,889.46x = 187,907,253,880,685.97 - Step 5: Solve for x
x = 187,907,253,880,685.97/18,343,889.46 - Step 6: Final answer
x = 10,243,588.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.