Finding the Fourth Proportional to 7,053,477.75, 10,559,877.48 and 6,324,156.99
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Solution
The fourth proportional to 7,053,477.75, 10,559,877.48 and 6,324,156.99 is: 9,467,999.38
Step by Step Solution
- Step 1: Write the proportion equation
7,053,477.75 : 10,559,877.48 = 6,324,156.99 : x - Step 2: Convert to fraction form
7,053,477.75/10,559,877.48 = 6,324,156.99/x - Step 3: Cross multiply
7,053,477.75x = 10,559,877.48 × 6,324,156.99 - Step 4: Simplify right side
7,053,477.75x = 66,782,322,978,685.59 - Step 5: Solve for x
x = 66,782,322,978,685.59/7,053,477.75 - Step 6: Final answer
x = 9,467,999.38
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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.