Finding the Fourth Proportional to 8,160,744.98, 11,261,828.00 and 4,489,582.76
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Solution
The fourth proportional to 8,160,744.98, 11,261,828.00 and 4,489,582.76 is: 6,195,624.16
Step by Step Solution
- Step 1: Write the proportion equation
8,160,744.98 : 11,261,828.00 = 4,489,582.76 : x - Step 2: Convert to fraction form
8,160,744.98/11,261,828.00 = 4,489,582.76/x - Step 3: Cross multiply
8,160,744.98x = 11,261,828.00 × 4,489,582.76 - Step 4: Simplify right side
8,160,744.98x = 50,560,908,756,128.22 - Step 5: Solve for x
x = 50,560,908,756,128.22/8,160,744.98 - Step 6: Final answer
x = 6,195,624.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.