Finding the Fourth Proportional to 16,401,860.20, 24,602,790.30 and 15,207,466.60
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Solution
The fourth proportional to 16,401,860.20, 24,602,790.30 and 15,207,466.60 is: 22,811,199.90
Step by Step Solution
- Step 1: Write the proportion equation
16,401,860.20 : 24,602,790.30 = 15,207,466.60 : x - Step 2: Convert to fraction form
16,401,860.20/24,602,790.30 = 15,207,466.60/x - Step 3: Cross multiply
16,401,860.20x = 24,602,790.30 × 15,207,466.60 - Step 4: Simplify right side
16,401,860.20x = 374,146,111,754,054 - Step 5: Solve for x
x = 374,146,111,754,054/16,401,860.20 - Step 6: Final answer
x = 22,811,199.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.