Finding the Fourth Proportional to 9,451,212.63, 14,156,079.14 and 7,813,419.42
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Solution
The fourth proportional to 9,451,212.63, 14,156,079.14 and 7,813,419.42 is: 11,702,983.31
Step by Step Solution
- Step 1: Write the proportion equation
9,451,212.63 : 14,156,079.14 = 7,813,419.42 : x - Step 2: Convert to fraction form
9,451,212.63/14,156,079.14 = 7,813,419.42/x - Step 3: Cross multiply
9,451,212.63x = 14,156,079.14 × 7,813,419.42 - Step 4: Simplify right side
9,451,212.63x = 110,607,383,663,532.91 - Step 5: Solve for x
x = 110,607,383,663,532.91/9,451,212.63 - Step 6: Final answer
x = 11,702,983.31
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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.