Finding the Fourth Proportional to 21,678,069.68, 32,513,939.30 and 6,321,232.70
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Solution
The fourth proportional to 21,678,069.68, 32,513,939.30 and 6,321,232.70 is: 9,480,926.08
Step by Step Solution
- Step 1: Write the proportion equation
21,678,069.68 : 32,513,939.30 = 6,321,232.70 : x - Step 2: Convert to fraction form
21,678,069.68/32,513,939.30 = 6,321,232.70/x - Step 3: Cross multiply
21,678,069.68x = 32,513,939.30 × 6,321,232.70 - Step 4: Simplify right side
21,678,069.68x = 205,528,176,114,799.28 - Step 5: Solve for x
x = 205,528,176,114,799.28/21,678,069.68 - Step 6: Final answer
x = 9,480,926.08
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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.