Finding the Fourth Proportional to 16,291,167.72, 22,480,496.10 and 9,416,095.08
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Solution
The fourth proportional to 16,291,167.72, 22,480,496.10 and 9,416,095.08 is: 12,993,450.95
Step by Step Solution
- Step 1: Write the proportion equation
16,291,167.72 : 22,480,496.10 = 9,416,095.08 : x - Step 2: Convert to fraction form
16,291,167.72/22,480,496.10 = 9,416,095.08/x - Step 3: Cross multiply
16,291,167.72x = 22,480,496.10 × 9,416,095.08 - Step 4: Simplify right side
16,291,167.72x = 211,678,488,723,169.22 - Step 5: Solve for x
x = 211,678,488,723,169.22/16,291,167.72 - Step 6: Final answer
x = 12,993,450.95
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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.