Finding the Fourth Proportional to 33,679,439.36, 46,481,228.16 and 20,635,354.88
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Solution
The fourth proportional to 33,679,439.36, 46,481,228.16 and 20,635,354.88 is: 28,478,996.58
Step by Step Solution
- Step 1: Write the proportion equation
33,679,439.36 : 46,481,228.16 = 20,635,354.88 : x - Step 2: Convert to fraction form
33,679,439.36/46,481,228.16 = 20,635,354.88/x - Step 3: Cross multiply
33,679,439.36x = 46,481,228.16 × 20,635,354.88 - Step 4: Simplify right side
33,679,439.36x = 959,156,638,339,849.25 - Step 5: Solve for x
x = 959,156,638,339,849.25/33,679,439.36 - Step 6: Final answer
x = 28,478,996.58
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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.