Finding the Fourth Proportional to 27,637,135.14, 38,139,033.54 and 15,247,750.80
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Solution
The fourth proportional to 27,637,135.14, 38,139,033.54 and 15,247,750.80 is: 21,041,778.62
Step by Step Solution
- Step 1: Write the proportion equation
27,637,135.14 : 38,139,033.54 = 15,247,750.80 : x - Step 2: Convert to fraction form
27,637,135.14/38,139,033.54 = 15,247,750.80/x - Step 3: Cross multiply
27,637,135.14x = 38,139,033.54 × 15,247,750.80 - Step 4: Simplify right side
27,637,135.14x = 581,534,479,170,761.88 - Step 5: Solve for x
x = 581,534,479,170,761.88/27,637,135.14 - Step 6: Final answer
x = 21,041,778.62
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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.