Finding the Fourth Proportional to 18,090,422.70, 27,126,302.85 and 6,725,021.10
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Solution
The fourth proportional to 18,090,422.70, 27,126,302.85 and 6,725,021.10 is: 10,084,062.82
Step by Step Solution
- Step 1: Write the proportion equation
18,090,422.70 : 27,126,302.85 = 6,725,021.10 : x - Step 2: Convert to fraction form
18,090,422.70/27,126,302.85 = 6,725,021.10/x - Step 3: Cross multiply
18,090,422.70x = 27,126,302.85 × 6,725,021.10 - Step 4: Simplify right side
18,090,422.70x = 182,424,959,031,240.12 - Step 5: Solve for x
x = 182,424,959,031,240.12/18,090,422.70 - Step 6: Final answer
x = 10,084,062.82
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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.