Finding the Fourth Proportional to 11,439,851, 15,783,153.16 and 6,477,614.07
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Solution
The fourth proportional to 11,439,851, 15,783,153.16 and 6,477,614.07 is: 8,936,932.39
Step by Step Solution
- Step 1: Write the proportion equation
11,439,851 : 15,783,153.16 = 6,477,614.07 : x - Step 2: Convert to fraction form
11,439,851/15,783,153.16 = 6,477,614.07/x - Step 3: Cross multiply
11,439,851x = 15,783,153.16 × 6,477,614.07 - Step 4: Simplify right side
11,439,851x = 102,237,174,945,792.89 - Step 5: Solve for x
x = 102,237,174,945,792.89/11,439,851 - Step 6: Final answer
x = 8,936,932.39
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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.