Finding the Fourth Proportional to 8,229,973.01, 12,294,903.68 and 5,327,696.18
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Solution
The fourth proportional to 8,229,973.01, 12,294,903.68 and 5,327,696.18 is: 7,959,140.49
Step by Step Solution
- Step 1: Write the proportion equation
8,229,973.01 : 12,294,903.68 = 5,327,696.18 : x - Step 2: Convert to fraction form
8,229,973.01/12,294,903.68 = 5,327,696.18/x - Step 3: Cross multiply
8,229,973.01x = 12,294,903.68 × 5,327,696.18 - Step 4: Simplify right side
8,229,973.01x = 65,503,511,354,291.03 - Step 5: Solve for x
x = 65,503,511,354,291.03/8,229,973.01 - Step 6: Final answer
x = 7,959,140.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.