Finding the Fourth Proportional to 13,177,067.90, 18,184,227.18 and 7,593,263.09
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Solution
The fourth proportional to 13,177,067.90, 18,184,227.18 and 7,593,263.09 is: 10,478,630.15
Step by Step Solution
- Step 1: Write the proportion equation
13,177,067.90 : 18,184,227.18 = 7,593,263.09 : x - Step 2: Convert to fraction form
13,177,067.90/18,184,227.18 = 7,593,263.09/x - Step 3: Cross multiply
13,177,067.90x = 18,184,227.18 × 7,593,263.09 - Step 4: Simplify right side
13,177,067.90x = 138,077,621,057,575.89 - Step 5: Solve for x
x = 138,077,621,057,575.89/13,177,067.90 - Step 6: Final answer
x = 10,478,630.15
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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.