Finding the Fourth Proportional to 12,394,585.80, 17,104,943.75 and 6,888,192.75
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Solution
The fourth proportional to 12,394,585.80, 17,104,943.75 and 6,888,192.75 is: 9,505,936.82
Step by Step Solution
- Step 1: Write the proportion equation
12,394,585.80 : 17,104,943.75 = 6,888,192.75 : x - Step 2: Convert to fraction form
12,394,585.80/17,104,943.75 = 6,888,192.75/x - Step 3: Cross multiply
12,394,585.80x = 17,104,943.75 × 6,888,192.75 - Step 4: Simplify right side
12,394,585.80x = 117,822,149,493,466.86 - Step 5: Solve for x
x = 117,822,149,493,466.86/12,394,585.80 - Step 6: Final answer
x = 9,505,936.82
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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.