Finding the Fourth Proportional to 19,546,198.40, 26,974,474.50 and 11,809,746.02
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Solution
The fourth proportional to 19,546,198.40, 26,974,474.50 and 11,809,746.02 is: 16,297,884.96
Step by Step Solution
- Step 1: Write the proportion equation
19,546,198.40 : 26,974,474.50 = 11,809,746.02 : x - Step 2: Convert to fraction form
19,546,198.40/26,974,474.50 = 11,809,746.02/x - Step 3: Cross multiply
19,546,198.40x = 26,974,474.50 × 11,809,746.02 - Step 4: Simplify right side
19,546,198.40x = 318,561,692,867,966.50 - Step 5: Solve for x
x = 318,561,692,867,966.50/19,546,198.40 - Step 6: Final answer
x = 16,297,884.96
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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.