Finding the Fourth Proportional to 19,556,026.20, 29,313,044.10 and 7,420,800.60
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Solution
The fourth proportional to 19,556,026.20, 29,313,044.10 and 7,420,800.60 is: 11,123,233.99
Step by Step Solution
- Step 1: Write the proportion equation
19,556,026.20 : 29,313,044.10 = 7,420,800.60 : x - Step 2: Convert to fraction form
19,556,026.20/29,313,044.10 = 7,420,800.60/x - Step 3: Cross multiply
19,556,026.20x = 29,313,044.10 × 7,420,800.60 - Step 4: Simplify right side
19,556,026.20x = 217,526,255,245,106.47 - Step 5: Solve for x
x = 217,526,255,245,106.47/19,556,026.20 - Step 6: Final answer
x = 11,123,233.99
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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.