Finding the Fourth Proportional to 19,662,803.40, 27,137,865 and 11,830,232.48
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Solution
The fourth proportional to 19,662,803.40, 27,137,865 and 11,830,232.48 is: 16,327,643.90
Step by Step Solution
- Step 1: Write the proportion equation
19,662,803.40 : 27,137,865 = 11,830,232.48 : x - Step 2: Convert to fraction form
19,662,803.40/27,137,865 = 11,830,232.48/x - Step 3: Cross multiply
19,662,803.40x = 27,137,865 × 11,830,232.48 - Step 4: Simplify right side
19,662,803.40x = 321,047,251,960,855.19 - Step 5: Solve for x
x = 321,047,251,960,855.19/19,662,803.40 - Step 6: Final answer
x = 16,327,643.90
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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.