Finding the Fourth Proportional to 16,129,727.44, 22,258,956.74 and 8,787,537.72
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Solution
The fourth proportional to 16,129,727.44, 22,258,956.74 and 8,787,537.72 is: 12,126,765.48
Step by Step Solution
- Step 1: Write the proportion equation
16,129,727.44 : 22,258,956.74 = 8,787,537.72 : x - Step 2: Convert to fraction form
16,129,727.44/22,258,956.74 = 8,787,537.72/x - Step 3: Cross multiply
16,129,727.44x = 22,258,956.74 × 8,787,537.72 - Step 4: Simplify right side
16,129,727.44x = 195,601,421,916,660.56 - Step 5: Solve for x
x = 195,601,421,916,660.56/16,129,727.44 - Step 6: Final answer
x = 12,126,765.48
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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.