Finding the Fourth Proportional to 10,230,010.70, 15,353,310.45 and 9,898,234.70
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Solution
The fourth proportional to 10,230,010.70, 15,353,310.45 and 9,898,234.70 is: 14,855,377.45
Step by Step Solution
- Step 1: Write the proportion equation
10,230,010.70 : 15,353,310.45 = 9,898,234.70 : x - Step 2: Convert to fraction form
10,230,010.70/15,353,310.45 = 9,898,234.70/x - Step 3: Cross multiply
10,230,010.70x = 15,353,310.45 × 9,898,234.70 - Step 4: Simplify right side
10,230,010.70x = 151,970,670,256,062.59 - Step 5: Solve for x
x = 151,970,670,256,062.59/10,230,010.70 - Step 6: Final answer
x = 14,855,377.45
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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.