Finding the Fourth Proportional to 21,777,548.97, 32,666,323.47 and 6,631,482.09
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Solution
The fourth proportional to 21,777,548.97, 32,666,323.47 and 6,631,482.09 is: 9,947,223.14
Step by Step Solution
- Step 1: Write the proportion equation
21,777,548.97 : 32,666,323.47 = 6,631,482.09 : x - Step 2: Convert to fraction form
21,777,548.97/32,666,323.47 = 6,631,482.09/x - Step 3: Cross multiply
21,777,548.97x = 32,666,323.47 × 6,631,482.09 - Step 4: Simplify right side
21,777,548.97x = 216,626,139,037,451.62 - Step 5: Solve for x
x = 216,626,139,037,451.62/21,777,548.97 - Step 6: Final answer
x = 9,947,223.14
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Similar ratio
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1.5x scale
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.