Finding the Fourth Proportional to 20,922,446.48, 28,873,321.49 and 11,503,635.46
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Solution
The fourth proportional to 20,922,446.48, 28,873,321.49 and 11,503,635.46 is: 15,875,206.82
Step by Step Solution
- Step 1: Write the proportion equation
20,922,446.48 : 28,873,321.49 = 11,503,635.46 : x - Step 2: Convert to fraction form
20,922,446.48/28,873,321.49 = 11,503,635.46/x - Step 3: Cross multiply
20,922,446.48x = 28,873,321.49 × 11,503,635.46 - Step 4: Simplify right side
20,922,446.48x = 332,148,164,896,919.81 - Step 5: Solve for x
x = 332,148,164,896,919.81/20,922,446.48 - Step 6: Final answer
x = 15,875,206.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.