Finding the Fourth Proportional to 7,502,220.12, 11,239,799.94 and 4,618,568.28
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Solution
The fourth proportional to 7,502,220.12, 11,239,799.94 and 4,618,568.28 is: 6,919,522.84
Step by Step Solution
- Step 1: Write the proportion equation
7,502,220.12 : 11,239,799.94 = 4,618,568.28 : x - Step 2: Convert to fraction form
7,502,220.12/11,239,799.94 = 4,618,568.28/x - Step 3: Cross multiply
7,502,220.12x = 11,239,799.94 × 4,618,568.28 - Step 4: Simplify right side
7,502,220.12x = 51,911,783,476,429.91 - Step 5: Solve for x
x = 51,911,783,476,429.91/7,502,220.12 - Step 6: Final answer
x = 6,919,522.84
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1.5x scale
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.