Finding the Fourth Proportional to 16,092,861.60, 24,143,569.20 and 6,991,053.60
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Solution
The fourth proportional to 16,092,861.60, 24,143,569.20 and 6,991,053.60 is: 10,488,438.33
Step by Step Solution
- Step 1: Write the proportion equation
16,092,861.60 : 24,143,569.20 = 6,991,053.60 : x - Step 2: Convert to fraction form
16,092,861.60/24,143,569.20 = 6,991,053.60/x - Step 3: Cross multiply
16,092,861.60x = 24,143,569.20 × 6,991,053.60 - Step 4: Simplify right side
16,092,861.60x = 168,788,986,372,509.09 - Step 5: Solve for x
x = 168,788,986,372,509.09/16,092,861.60 - Step 6: Final answer
x = 10,488,438.33
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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.