Finding the Fourth Proportional to 19,837,600.20, 29,719,658.70 and 11,292,553.80
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Solution
The fourth proportional to 19,837,600.20, 29,719,658.70 and 11,292,553.80 is: 16,917,915.54
Step by Step Solution
- Step 1: Write the proportion equation
19,837,600.20 : 29,719,658.70 = 11,292,553.80 : x - Step 2: Convert to fraction form
19,837,600.20/29,719,658.70 = 11,292,553.80/x - Step 3: Cross multiply
19,837,600.20x = 29,719,658.70 × 11,292,553.80 - Step 4: Simplify right side
19,837,600.20x = 335,610,844,787,388.06 - Step 5: Solve for x
x = 335,610,844,787,388.06/19,837,600.20 - Step 6: Final answer
x = 16,917,915.54
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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.