Finding the Fourth Proportional to 14,500,862.62, 20,010,791.36 and 7,974,492.08
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Solution
The fourth proportional to 14,500,862.62, 20,010,791.36 and 7,974,492.08 is: 11,004,579.62
Step by Step Solution
- Step 1: Write the proportion equation
14,500,862.62 : 20,010,791.36 = 7,974,492.08 : x - Step 2: Convert to fraction form
14,500,862.62/20,010,791.36 = 7,974,492.08/x - Step 3: Cross multiply
14,500,862.62x = 20,010,791.36 × 7,974,492.08 - Step 4: Simplify right side
14,500,862.62x = 159,575,897,214,852.44 - Step 5: Solve for x
x = 159,575,897,214,852.44/14,500,862.62 - Step 6: Final answer
x = 11,004,579.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.