Finding the Fourth Proportional to 16,161,312.38, 22,303,082.08 and 8,819,618.41
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Solution
The fourth proportional to 16,161,312.38, 22,303,082.08 and 8,819,618.41 is: 12,171,330.44
Step by Step Solution
- Step 1: Write the proportion equation
16,161,312.38 : 22,303,082.08 = 8,819,618.41 : x - Step 2: Convert to fraction form
16,161,312.38/22,303,082.08 = 8,819,618.41/x - Step 3: Cross multiply
16,161,312.38x = 22,303,082.08 × 8,819,618.41 - Step 4: Simplify right side
16,161,312.38x = 196,704,673,291,974.91 - Step 5: Solve for x
x = 196,704,673,291,974.91/16,161,312.38 - Step 6: Final answer
x = 12,171,330.44
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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.