Finding the Fourth Proportional to 7,508,406.84, 11,258,331.84 and 2,956,990.92
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Solution
The fourth proportional to 7,508,406.84, 11,258,331.84 and 2,956,990.92 is: 4,433,801.44
Step by Step Solution
- Step 1: Write the proportion equation
7,508,406.84 : 11,258,331.84 = 2,956,990.92 : x - Step 2: Convert to fraction form
7,508,406.84/11,258,331.84 = 2,956,990.92/x - Step 3: Cross multiply
7,508,406.84x = 11,258,331.84 × 2,956,990.92 - Step 4: Simplify right side
7,508,406.84x = 33,290,785,025,226.89 - Step 5: Solve for x
x = 33,290,785,025,226.89/7,508,406.84 - Step 6: Final answer
x = 4,433,801.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.