Finding the Fourth Proportional to 6,416,975.99, 9,618,987.05 and 4,022,502.14
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Solution
The fourth proportional to 6,416,975.99, 9,618,987.05 and 4,022,502.14 is: 6,029,693.12
Step by Step Solution
- Step 1: Write the proportion equation
6,416,975.99 : 9,618,987.05 = 4,022,502.14 : x - Step 2: Convert to fraction form
6,416,975.99/9,618,987.05 = 4,022,502.14/x - Step 3: Cross multiply
6,416,975.99x = 9,618,987.05 × 4,022,502.14 - Step 4: Simplify right side
6,416,975.99x = 38,692,395,925,049.84 - Step 5: Solve for x
x = 38,692,395,925,049.84/6,416,975.99 - Step 6: Final answer
x = 6,029,693.12
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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.