Finding the Fourth Proportional to 29,438,811.36, 40,625,561.34 and 16,385,790.42
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Solution
The fourth proportional to 29,438,811.36, 40,625,561.34 and 16,385,790.42 is: 22,612,391.71
Step by Step Solution
- Step 1: Write the proportion equation
29,438,811.36 : 40,625,561.34 = 16,385,790.42 : x - Step 2: Convert to fraction form
29,438,811.36/40,625,561.34 = 16,385,790.42/x - Step 3: Cross multiply
29,438,811.36x = 40,625,561.34 × 16,385,790.42 - Step 4: Simplify right side
29,438,811.36x = 665,681,933,812,094.38 - Step 5: Solve for x
x = 665,681,933,812,094.38/29,438,811.36 - Step 6: Final answer
x = 22,612,391.71
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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.