Finding the Fourth Proportional to 8,871,984.60, 13,302,253.86 and 3,481,179.60
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Solution
The fourth proportional to 8,871,984.60, 13,302,253.86 and 3,481,179.60 is: 5,219,523.80
Step by Step Solution
- Step 1: Write the proportion equation
8,871,984.60 : 13,302,253.86 = 3,481,179.60 : x - Step 2: Convert to fraction form
8,871,984.60/13,302,253.86 = 3,481,179.60/x - Step 3: Cross multiply
8,871,984.60x = 13,302,253.86 × 3,481,179.60 - Step 4: Simplify right side
8,871,984.60x = 46,307,534,771,453.26 - Step 5: Solve for x
x = 46,307,534,771,453.26/8,871,984.60 - Step 6: Final answer
x = 5,219,523.80
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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.