Finding the Fourth Proportional to 8,046,982.59, 11,105,127.90 and 4,609,887.99
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Solution
The fourth proportional to 8,046,982.59, 11,105,127.90 and 4,609,887.99 is: 6,361,812.66
Step by Step Solution
- Step 1: Write the proportion equation
8,046,982.59 : 11,105,127.90 = 4,609,887.99 : x - Step 2: Convert to fraction form
8,046,982.59/11,105,127.90 = 4,609,887.99/x - Step 3: Cross multiply
8,046,982.59x = 11,105,127.90 × 4,609,887.99 - Step 4: Simplify right side
8,046,982.59x = 51,193,395,733,623.92 - Step 5: Solve for x
x = 51,193,395,733,623.92/8,046,982.59 - Step 6: Final answer
x = 6,361,812.66
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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.