Finding the Fourth Proportional to 18,037,561.80, 27,056,342.70 and 13,732,889.70
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Solution
The fourth proportional to 18,037,561.80, 27,056,342.70 and 13,732,889.70 is: 20,599,334.55
Step by Step Solution
- Step 1: Write the proportion equation
18,037,561.80 : 27,056,342.70 = 13,732,889.70 : x - Step 2: Convert to fraction form
18,037,561.80/27,056,342.70 = 13,732,889.70/x - Step 3: Cross multiply
18,037,561.80x = 27,056,342.70 × 13,732,889.70 - Step 4: Simplify right side
18,037,561.80x = 371,561,769,984,500.19 - Step 5: Solve for x
x = 371,561,769,984,500.19/18,037,561.80 - Step 6: Final answer
x = 20,599,334.55
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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.