Finding the Fourth Proportional to 22,911,459.48, 31,618,949.04 and 14,212,434.96
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Solution
The fourth proportional to 22,911,459.48, 31,618,949.04 and 14,212,434.96 is: 19,613,864.28
Step by Step Solution
- Step 1: Write the proportion equation
22,911,459.48 : 31,618,949.04 = 14,212,434.96 : x - Step 2: Convert to fraction form
22,911,459.48/31,618,949.04 = 14,212,434.96/x - Step 3: Cross multiply
22,911,459.48x = 31,618,949.04 × 14,212,434.96 - Step 4: Simplify right side
22,911,459.48x = 449,382,256,734,554.44 - Step 5: Solve for x
x = 449,382,256,734,554.44/22,911,459.48 - Step 6: Final answer
x = 19,613,864.28
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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.