Finding the Fourth Proportional to 8,443,373.36, 11,652,438.36 and 5,136,957.68
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Solution
The fourth proportional to 8,443,373.36, 11,652,438.36 and 5,136,957.68 is: 7,089,356.37
Step by Step Solution
- Step 1: Write the proportion equation
8,443,373.36 : 11,652,438.36 = 5,136,957.68 : x - Step 2: Convert to fraction form
8,443,373.36/11,652,438.36 = 5,136,957.68/x - Step 3: Cross multiply
8,443,373.36x = 11,652,438.36 × 5,136,957.68 - Step 4: Simplify right side
8,443,373.36x = 59,858,082,724,128.60 - Step 5: Solve for x
x = 59,858,082,724,128.60/8,443,373.36 - Step 6: Final answer
x = 7,089,356.37
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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.