Finding the Fourth Proportional to 18,225,676.47, 27,338,541.30 and 7,442,977.44
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Solution
The fourth proportional to 18,225,676.47, 27,338,541.30 and 7,442,977.44 is: 11,164,477.02
Step by Step Solution
- Step 1: Write the proportion equation
18,225,676.47 : 27,338,541.30 = 7,442,977.44 : x - Step 2: Convert to fraction form
18,225,676.47/27,338,541.30 = 7,442,977.44/x - Step 3: Cross multiply
18,225,676.47x = 27,338,541.30 × 7,442,977.44 - Step 4: Simplify right side
18,225,676.47x = 203,480,146,138,408.28 - Step 5: Solve for x
x = 203,480,146,138,408.28/18,225,676.47 - Step 6: Final answer
x = 11,164,477.02
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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.