Finding the Fourth Proportional to 19,590,431.40, 29,385,647.10 and 14,173,669.80
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Solution
The fourth proportional to 19,590,431.40, 29,385,647.10 and 14,173,669.80 is: 21,260,504.70
Step by Step Solution
- Step 1: Write the proportion equation
19,590,431.40 : 29,385,647.10 = 14,173,669.80 : x - Step 2: Convert to fraction form
19,590,431.40/29,385,647.10 = 14,173,669.80/x - Step 3: Cross multiply
19,590,431.40x = 29,385,647.10 × 14,173,669.80 - Step 4: Simplify right side
19,590,431.40x = 416,502,458,854,727.62 - Step 5: Solve for x
x = 416,502,458,854,727.62/19,590,431.40 - Step 6: Final answer
x = 21,260,504.70
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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.