Finding the Fourth Proportional to 10,983,672.96, 16,456,908.84 and 6,652,636.44
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Solution
The fourth proportional to 10,983,672.96, 16,456,908.84 and 6,652,636.44 is: 9,967,688.57
Step by Step Solution
- Step 1: Write the proportion equation
10,983,672.96 : 16,456,908.84 = 6,652,636.44 : x - Step 2: Convert to fraction form
10,983,672.96/16,456,908.84 = 6,652,636.44/x - Step 3: Cross multiply
10,983,672.96x = 16,456,908.84 × 6,652,636.44 - Step 4: Simplify right side
10,983,672.96x = 109,481,831,438,742.14 - Step 5: Solve for x
x = 109,481,831,438,742.14/10,983,672.96 - Step 6: Final answer
x = 9,967,688.57
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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.