Finding the Fourth Proportional to 12,973,958.12, 17,906,904.42 and 7,544,582.12
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Solution
The fourth proportional to 12,973,958.12, 17,906,904.42 and 7,544,582.12 is: 10,413,176.12
Step by Step Solution
- Step 1: Write the proportion equation
12,973,958.12 : 17,906,904.42 = 7,544,582.12 : x - Step 2: Convert to fraction form
12,973,958.12/17,906,904.42 = 7,544,582.12/x - Step 3: Cross multiply
12,973,958.12x = 17,906,904.42 × 7,544,582.12 - Step 4: Simplify right side
12,973,958.12x = 135,100,110,911,680.98 - Step 5: Solve for x
x = 135,100,110,911,680.98/12,973,958.12 - Step 6: Final answer
x = 10,413,176.12
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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.