Finding the Fourth Proportional to 23,647,416.09, 32,633,419.77 and 12,782,400.09
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Solution
The fourth proportional to 23,647,416.09, 32,633,419.77 and 12,782,400.09 is: 17,639,704.32
Step by Step Solution
- Step 1: Write the proportion equation
23,647,416.09 : 32,633,419.77 = 12,782,400.09 : x - Step 2: Convert to fraction form
23,647,416.09/32,633,419.77 = 12,782,400.09/x - Step 3: Cross multiply
23,647,416.09x = 32,633,419.77 × 12,782,400.09 - Step 4: Simplify right side
23,647,416.09x = 417,133,427,805,055.75 - Step 5: Solve for x
x = 417,133,427,805,055.75/23,647,416.09 - Step 6: Final answer
x = 17,639,704.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.