Finding the Fourth Proportional to 10,791,470.76, 16,198,729.74 and 4,646,493.24
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Solution
The fourth proportional to 10,791,470.76, 16,198,729.74 and 4,646,493.24 is: 6,974,701.59
Step by Step Solution
- Step 1: Write the proportion equation
10,791,470.76 : 16,198,729.74 = 4,646,493.24 : x - Step 2: Convert to fraction form
10,791,470.76/16,198,729.74 = 4,646,493.24/x - Step 3: Cross multiply
10,791,470.76x = 16,198,729.74 × 4,646,493.24 - Step 4: Simplify right side
10,791,470.76x = 75,267,288,233,496.97 - Step 5: Solve for x
x = 75,267,288,233,496.97/10,791,470.76 - Step 6: Final answer
x = 6,974,701.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.