Finding the Fourth Proportional to 8,863,368.99, 12,232,389.63 and 5,195,367.37
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Solution
The fourth proportional to 8,863,368.99, 12,232,389.63 and 5,195,367.37 is: 7,170,158.21
Step by Step Solution
- Step 1: Write the proportion equation
8,863,368.99 : 12,232,389.63 = 5,195,367.37 : x - Step 2: Convert to fraction form
8,863,368.99/12,232,389.63 = 5,195,367.37/x - Step 3: Cross multiply
8,863,368.99x = 12,232,389.63 × 5,195,367.37 - Step 4: Simplify right side
8,863,368.99x = 63,551,757,940,828.38 - Step 5: Solve for x
x = 63,551,757,940,828.38/8,863,368.99 - Step 6: Final answer
x = 7,170,158.21
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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.