Finding the Fourth Proportional to 14,102,096.74, 21,155,028.21 and 5,580,440.32
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Solution
The fourth proportional to 14,102,096.74, 21,155,028.21 and 5,580,440.32 is: 8,371,405.65
Step by Step Solution
- Step 1: Write the proportion equation
14,102,096.74 : 21,155,028.21 = 5,580,440.32 : x - Step 2: Convert to fraction form
14,102,096.74/21,155,028.21 = 5,580,440.32/x - Step 3: Cross multiply
14,102,096.74x = 21,155,028.21 × 5,580,440.32 - Step 4: Simplify right side
14,102,096.74x = 118,054,372,393,821.44 - Step 5: Solve for x
x = 118,054,372,393,821.44/14,102,096.74 - Step 6: Final answer
x = 8,371,405.65
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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.