Finding the Fourth Proportional to 7,027,622.40, 10,541,433.60 and 6,952,972.80
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Solution
The fourth proportional to 7,027,622.40, 10,541,433.60 and 6,952,972.80 is: 10,429,459.20
Step by Step Solution
- Step 1: Write the proportion equation
7,027,622.40 : 10,541,433.60 = 6,952,972.80 : x - Step 2: Convert to fraction form
7,027,622.40/10,541,433.60 = 6,952,972.80/x - Step 3: Cross multiply
7,027,622.40x = 10,541,433.60 × 6,952,972.80 - Step 4: Simplify right side
7,027,622.40x = 73,294,301,093,806.08 - Step 5: Solve for x
x = 73,294,301,093,806.08/7,027,622.40 - Step 6: Final answer
x = 10,429,459.20
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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.