Finding the Fourth Proportional to 21,502,202.36, 29,673,299.88 and 11,712,727.44
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Solution
The fourth proportional to 21,502,202.36, 29,673,299.88 and 11,712,727.44 is: 16,163,705.84
Step by Step Solution
- Step 1: Write the proportion equation
21,502,202.36 : 29,673,299.88 = 11,712,727.44 : x - Step 2: Convert to fraction form
21,502,202.36/29,673,299.88 = 11,712,727.44/x - Step 3: Cross multiply
21,502,202.36x = 29,673,299.88 × 11,712,727.44 - Step 4: Simplify right side
21,502,202.36x = 347,555,273,739,824.69 - Step 5: Solve for x
x = 347,555,273,739,824.69/21,502,202.36 - Step 6: Final answer
x = 16,163,705.84
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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.