Finding the Fourth Proportional to 9,190,316.31, 13,785,467.99 and 4,135,721.91
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Solution
The fourth proportional to 9,190,316.31, 13,785,467.99 and 4,135,721.91 is: 6,203,579.95
Step by Step Solution
- Step 1: Write the proportion equation
9,190,316.31 : 13,785,467.99 = 4,135,721.91 : x - Step 2: Convert to fraction form
9,190,316.31/13,785,467.99 = 4,135,721.91/x - Step 3: Cross multiply
9,190,316.31x = 13,785,467.99 × 4,135,721.91 - Step 4: Simplify right side
9,190,316.31x = 57,012,861,985,168.05 - Step 5: Solve for x
x = 57,012,861,985,168.05/9,190,316.31 - Step 6: Final answer
x = 6,203,579.95
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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.