Finding the Fourth Proportional to 16,401,868.70, 24,602,803.05 and 15,207,475.10
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Solution
The fourth proportional to 16,401,868.70, 24,602,803.05 and 15,207,475.10 is: 22,811,212.65
Step by Step Solution
- Step 1: Write the proportion equation
16,401,868.70 : 24,602,803.05 = 15,207,475.10 : x - Step 2: Convert to fraction form
16,401,868.70/24,602,803.05 = 15,207,475.10/x - Step 3: Cross multiply
16,401,868.70x = 24,602,803.05 × 15,207,475.10 - Step 4: Simplify right side
16,401,868.70x = 374,146,514,773,079.06 - Step 5: Solve for x
x = 374,146,514,773,079.06/16,401,868.70 - Step 6: Final answer
x = 22,811,212.65
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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.