Finding the Fourth Proportional to 19,461,469.56, 26,862,431.86 and 12,850,884.19
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Solution
The fourth proportional to 19,461,469.56, 26,862,431.86 and 12,850,884.19 is: 17,737,920.56
Step by Step Solution
- Step 1: Write the proportion equation
19,461,469.56 : 26,862,431.86 = 12,850,884.19 : x - Step 2: Convert to fraction form
19,461,469.56/26,862,431.86 = 12,850,884.19/x - Step 3: Cross multiply
19,461,469.56x = 26,862,431.86 × 12,850,884.19 - Step 4: Simplify right side
19,461,469.56x = 345,206,000,944,267.94 - Step 5: Solve for x
x = 345,206,000,944,267.94/19,461,469.56 - Step 6: Final answer
x = 17,737,920.56
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1.5x scale
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.