Finding the Fourth Proportional to 7,740,362.99, 11,619,513.57 and 4,153,136.24
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Solution
The fourth proportional to 7,740,362.99, 11,619,513.57 and 4,153,136.24 is: 6,234,516.77
Step by Step Solution
- Step 1: Write the proportion equation
7,740,362.99 : 11,619,513.57 = 4,153,136.24 : x - Step 2: Convert to fraction form
7,740,362.99/11,619,513.57 = 4,153,136.24/x - Step 3: Cross multiply
7,740,362.99x = 11,619,513.57 × 4,153,136.24 - Step 4: Simplify right side
7,740,362.99x = 48,257,422,872,160.42 - Step 5: Solve for x
x = 48,257,422,872,160.42/7,740,362.99 - Step 6: Final answer
x = 6,234,516.77
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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.