Finding the Fourth Proportional to 11,337,685.20, 17,048,518.20 and 9,490,107.60
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Solution
The fourth proportional to 11,337,685.20, 17,048,518.20 and 9,490,107.60 is: 14,270,309.09
Step by Step Solution
- Step 1: Write the proportion equation
11,337,685.20 : 17,048,518.20 = 9,490,107.60 : x - Step 2: Convert to fraction form
11,337,685.20/17,048,518.20 = 9,490,107.60/x - Step 3: Cross multiply
11,337,685.20x = 17,048,518.20 × 9,490,107.60 - Step 4: Simplify right side
11,337,685.20x = 161,792,272,138,558.31 - Step 5: Solve for x
x = 161,792,272,138,558.31/11,337,685.20 - Step 6: Final answer
x = 14,270,309.09
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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.