Finding the Fourth Proportional to 16,361,948.80, 24,542,692.80 and 7,386,486.40
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Solution
The fourth proportional to 16,361,948.80, 24,542,692.80 and 7,386,486.40 is: 11,079,625.59
Step by Step Solution
- Step 1: Write the proportion equation
16,361,948.80 : 24,542,692.80 = 7,386,486.40 : x - Step 2: Convert to fraction form
16,361,948.80/24,542,692.80 = 7,386,486.40/x - Step 3: Cross multiply
16,361,948.80x = 24,542,692.80 × 7,386,486.40 - Step 4: Simplify right side
16,361,948.80x = 181,284,266,586,577.94 - Step 5: Solve for x
x = 181,284,266,586,577.94/16,361,948.80 - Step 6: Final answer
x = 11,079,625.59
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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.