Finding the Fourth Proportional to 21,921,194.70, 32,889,094.56 and 7,349,556.14
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Solution
The fourth proportional to 21,921,194.70, 32,889,094.56 and 7,349,556.14 is: 11,026,782.53
Step by Step Solution
- Step 1: Write the proportion equation
21,921,194.70 : 32,889,094.56 = 7,349,556.14 : x - Step 2: Convert to fraction form
21,921,194.70/32,889,094.56 = 7,349,556.14/x - Step 3: Cross multiply
21,921,194.70x = 32,889,094.56 × 7,349,556.14 - Step 4: Simplify right side
21,921,194.70x = 241,720,246,862,488.56 - Step 5: Solve for x
x = 241,720,246,862,488.56/21,921,194.70 - Step 6: Final answer
x = 11,026,782.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.