Finding the Fourth Proportional to 16,447,830.96, 22,700,382.12 and 9,477,173.96
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Solution
The fourth proportional to 16,447,830.96, 22,700,382.12 and 9,477,173.96 is: 13,079,868.76
Step by Step Solution
- Step 1: Write the proportion equation
16,447,830.96 : 22,700,382.12 = 9,477,173.96 : x - Step 2: Convert to fraction form
16,447,830.96/22,700,382.12 = 9,477,173.96/x - Step 3: Cross multiply
16,447,830.96x = 22,700,382.12 × 9,477,173.96 - Step 4: Simplify right side
16,447,830.96x = 215,135,470,309,713.62 - Step 5: Solve for x
x = 215,135,470,309,713.62/16,447,830.96 - Step 6: Final answer
x = 13,079,868.76
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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.