Finding the Fourth Proportional to 7,542,404.70, 11,301,165.45 and 6,422,660.70
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Solution
The fourth proportional to 7,542,404.70, 11,301,165.45 and 6,422,660.70 is: 9,623,396.53
Step by Step Solution
- Step 1: Write the proportion equation
7,542,404.70 : 11,301,165.45 = 6,422,660.70 : x - Step 2: Convert to fraction form
7,542,404.70/11,301,165.45 = 6,422,660.70/x - Step 3: Cross multiply
7,542,404.70x = 11,301,165.45 × 6,422,660.70 - Step 4: Simplify right side
7,542,404.70x = 72,583,551,199,912.81 - Step 5: Solve for x
x = 72,583,551,199,912.81/7,542,404.70 - Step 6: Final answer
x = 9,623,396.53
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1.5x scale
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.