Finding the Fourth Proportional to 19,845,546.72, 29,724,919.05 and 14,070,775.95
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Solution
The fourth proportional to 19,845,546.72, 29,724,919.05 and 14,070,775.95 is: 21,075,391.98
Step by Step Solution
- Step 1: Write the proportion equation
19,845,546.72 : 29,724,919.05 = 14,070,775.95 : x - Step 2: Convert to fraction form
19,845,546.72/29,724,919.05 = 14,070,775.95/x - Step 3: Cross multiply
19,845,546.72x = 29,724,919.05 × 14,070,775.95 - Step 4: Simplify right side
19,845,546.72x = 418,252,676,084,436.81 - Step 5: Solve for x
x = 418,252,676,084,436.81/19,845,546.72 - Step 6: Final answer
x = 21,075,391.98
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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.