Finding the Fourth Proportional to 26,811,134.97, 36,998,276.69 and 15,208,449.33
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Solution
The fourth proportional to 26,811,134.97, 36,998,276.69 and 15,208,449.33 is: 20,987,042.03
Step by Step Solution
- Step 1: Write the proportion equation
26,811,134.97 : 36,998,276.69 = 15,208,449.33 : x - Step 2: Convert to fraction form
26,811,134.97/36,998,276.69 = 15,208,449.33/x - Step 3: Cross multiply
26,811,134.97x = 36,998,276.69 × 15,208,449.33 - Step 4: Simplify right side
26,811,134.97x = 562,686,416,407,004 - Step 5: Solve for x
x = 562,686,416,407,004/26,811,134.97 - Step 6: Final answer
x = 20,987,042.03
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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.