Finding the Fourth Proportional to 49,572,220.20, 74,358,330.30 and 15,497,010.60
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Solution
The fourth proportional to 49,572,220.20, 74,358,330.30 and 15,497,010.60 is: 23,245,515.90
Step by Step Solution
- Step 1: Write the proportion equation
49,572,220.20 : 74,358,330.30 = 15,497,010.60 : x - Step 2: Convert to fraction form
49,572,220.20/74,358,330.30 = 15,497,010.60/x - Step 3: Cross multiply
49,572,220.20x = 74,358,330.30 × 15,497,010.60 - Step 4: Simplify right side
49,572,220.20x = 1,152,331,832,857,401 - Step 5: Solve for x
x = 1,152,331,832,857,401/49,572,220.20 - Step 6: Final answer
x = 23,245,515.90
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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.