Finding the Fourth Proportional to 18,276,340.19, 27,414,298.93 and 4,443,377.29
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Solution
The fourth proportional to 18,276,340.19, 27,414,298.93 and 4,443,377.29 is: 6,665,014.54
Step by Step Solution
- Step 1: Write the proportion equation
18,276,340.19 : 27,414,298.93 = 4,443,377.29 : x - Step 2: Convert to fraction form
18,276,340.19/27,414,298.93 = 4,443,377.29/x - Step 3: Cross multiply
18,276,340.19x = 27,414,298.93 × 4,443,377.29 - Step 4: Simplify right side
18,276,340.19x = 121,812,073,149,761.81 - Step 5: Solve for x
x = 121,812,073,149,761.81/18,276,340.19 - Step 6: Final answer
x = 6,665,014.54
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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.