Finding the Fourth Proportional to 8,688,331.76, 13,034,604.56 and 2,622,701.12
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Solution
The fourth proportional to 8,688,331.76, 13,034,604.56 and 2,622,701.12 is: 3,934,687.68
Step by Step Solution
- Step 1: Write the proportion equation
8,688,331.76 : 13,034,604.56 = 2,622,701.12 : x - Step 2: Convert to fraction form
8,688,331.76/13,034,604.56 = 2,622,701.12/x - Step 3: Cross multiply
8,688,331.76x = 13,034,604.56 × 2,622,701.12 - Step 4: Simplify right side
8,688,331.76x = 34,185,871,978,269.11 - Step 5: Solve for x
x = 34,185,871,978,269.11/8,688,331.76 - Step 6: Final answer
x = 3,934,687.68
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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.