Finding the Fourth Proportional to 8,764,221.12, 12,088,352.60 and 6,151,308.26
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Solution
The fourth proportional to 8,764,221.12, 12,088,352.60 and 6,151,308.26 is: 8,484,402.90
Step by Step Solution
- Step 1: Write the proportion equation
8,764,221.12 : 12,088,352.60 = 6,151,308.26 : x - Step 2: Convert to fraction form
8,764,221.12/12,088,352.60 = 6,151,308.26/x - Step 3: Cross multiply
8,764,221.12x = 12,088,352.60 × 6,151,308.26 - Step 4: Simplify right side
8,764,221.12x = 74,359,183,106,974.17 - Step 5: Solve for x
x = 74,359,183,106,974.17/8,764,221.12 - Step 6: Final answer
x = 8,484,402.90
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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.