Finding the Fourth Proportional to 19,147,024.62, 26,534,676.74 and 18,783,676.62
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Solution
The fourth proportional to 19,147,024.62, 26,534,676.74 and 18,783,676.62 is: 26,031,135.22
Step by Step Solution
- Step 1: Write the proportion equation
19,147,024.62 : 26,534,676.74 = 18,783,676.62 : x - Step 2: Convert to fraction form
19,147,024.62/26,534,676.74 = 18,783,676.62/x - Step 3: Cross multiply
19,147,024.62x = 26,534,676.74 × 18,783,676.62 - Step 4: Simplify right side
19,147,024.62x = 498,418,787,006,477.44 - Step 5: Solve for x
x = 498,418,787,006,477.44/19,147,024.62 - Step 6: Final answer
x = 26,031,135.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.