Finding the Fourth Proportional to 16,640,553.40, 24,911,063.70 and 9,905,500.60
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Solution
The fourth proportional to 16,640,553.40, 24,911,063.70 and 9,905,500.60 is: 14,828,626.82
Step by Step Solution
- Step 1: Write the proportion equation
16,640,553.40 : 24,911,063.70 = 9,905,500.60 : x - Step 2: Convert to fraction form
16,640,553.40/24,911,063.70 = 9,905,500.60/x - Step 3: Cross multiply
16,640,553.40x = 24,911,063.70 × 9,905,500.60 - Step 4: Simplify right side
16,640,553.40x = 246,756,556,426,988.22 - Step 5: Solve for x
x = 246,756,556,426,988.22/16,640,553.40 - Step 6: Final answer
x = 14,828,626.82
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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.