Finding the Fourth Proportional to 13,791,094.44, 19,031,709.42 and 7,993,239.24
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Solution
The fourth proportional to 13,791,094.44, 19,031,709.42 and 7,993,239.24 is: 11,030,669.63
Step by Step Solution
- Step 1: Write the proportion equation
13,791,094.44 : 19,031,709.42 = 7,993,239.24 : x - Step 2: Convert to fraction form
13,791,094.44/19,031,709.42 = 7,993,239.24/x - Step 3: Cross multiply
13,791,094.44x = 19,031,709.42 × 7,993,239.24 - Step 4: Simplify right side
13,791,094.44x = 152,125,006,540,221.66 - Step 5: Solve for x
x = 152,125,006,540,221.66/13,791,094.44 - Step 6: Final answer
x = 11,030,669.63
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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.