Finding the Fourth Proportional to 18,739,567.37, 25,859,529.99 and 10,366,437.62
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Solution
The fourth proportional to 18,739,567.37, 25,859,529.99 and 10,366,437.62 is: 14,305,090.36
Step by Step Solution
- Step 1: Write the proportion equation
18,739,567.37 : 25,859,529.99 = 10,366,437.62 : x - Step 2: Convert to fraction form
18,739,567.37/25,859,529.99 = 10,366,437.62/x - Step 3: Cross multiply
18,739,567.37x = 25,859,529.99 × 10,366,437.62 - Step 4: Simplify right side
18,739,567.37x = 268,071,204,588,503.03 - Step 5: Solve for x
x = 268,071,204,588,503.03/18,739,567.37 - Step 6: Final answer
x = 14,305,090.36
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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.